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<title>[54561] branches/4.6/src: Grouped backports to the 4.6 branch.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/54561">54561</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/54561","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2022-10-17 18:03:41 +0000 (Mon, 17 Oct 2022)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Grouped backports to the 4.6 branch.

- Posts, Post types: Apply KSES to post-by-email content,
- General: Validate host on "Are you sure?" screen,
- Posts, Post types: Remove emails from post-by-email logs,
- Pings/trackbacks: Apply KSES to all trackbacks,
- Comments: Apply kses when editing comments,
- Customize: Escape blogname option in underscores templates,
- Mail: Reset PHPMailer properties between use,
- Query: Validate relation in `WP_Date_Query`,
- Widgets: Escape RSS error messages for display.

Merges <a href="https://core.trac.wordpress.org/changeset/54521">[54521]</a>, <a href="https://core.trac.wordpress.org/changeset/54522">[54522]</a>, <a href="https://core.trac.wordpress.org/changeset/54523">[54523]</a>, <a href="https://core.trac.wordpress.org/changeset/54525">[54525]</a>, <a href="https://core.trac.wordpress.org/changeset/54526">[54526]</a>, <a href="https://core.trac.wordpress.org/changeset/54527">[54527]</a>, <a href="https://core.trac.wordpress.org/changeset/54529">[54529]</a>, <a href="https://core.trac.wordpress.org/changeset/54530">[54530]</a>, <a href="https://core.trac.wordpress.org/changeset/54541">[54541]</a> to the 4.6 branch.
Props voldemortensen, johnbillion, paulkevan, peterwilsoncc, xknown, dd32, audrasjb, martinkrcho, davidbaumwald, tykoted, johnjamesjacoby, ehtis, matveb, talldanwp.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branches46srcwpincludescommentphp">branches/4.6/src/wp-includes/comment.php</a></li>
<li><a href="#branches46srcwpincludescustomizeclasswpcustomizeheaderimagecontrolphp">branches/4.6/src/wp-includes/customize/class-wp-customize-header-image-control.php</a></li>
<li><a href="#branches46srcwpincludescustomizeclasswpcustomizesiteiconcontrolphp">branches/4.6/src/wp-includes/customize/class-wp-customize-site-icon-control.php</a></li>
<li><a href="#branches46srcwpincludesdatephp">branches/4.6/src/wp-includes/date.php</a></li>
<li><a href="#branches46srcwpincludesfunctionsphp">branches/4.6/src/wp-includes/functions.php</a></li>
<li><a href="#branches46srcwpincludesmediatemplatephp">branches/4.6/src/wp-includes/media-template.php</a></li>
<li><a href="#branches46srcwpincludespluggablephp">branches/4.6/src/wp-includes/pluggable.php</a></li>
<li><a href="#branches46srcwpincludeswidgetsphp">branches/4.6/src/wp-includes/widgets.php</a></li>
<li><a href="#branches46srcwpmailphp">branches/4.6/src/wp-mail.php</a></li>
<li><a href="#branches46srcwptrackbackphp">branches/4.6/src/wp-trackback.php</a></li>
</ul>

<h3>Property Changed</h3>
<ul>
<li><a href="#branches46">branches/4.6/</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.6
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/4.6 2022-10-17 18:02:28 UTC (rev 54560)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.6  2022-10-17 18:03:41 UTC (rev 54561)
</ins><a id="branches46"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.6</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/4.9:42434,49653
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.0:43684-43686,43836,43853,43988,43994,44014,44017,44047,45005
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.5:49373-49379,49381
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:38181,38183,38185-38186,38189,38191,38194,38196,38199,38201,38205,38207,38209,38211-38213,38215-38216,38218,38221,38225,38227,38234-38235,38242,38244,38248,38251,38255,38257,38261,38263,38267,38274,38276-38277,38281,38286,38349,38415,38426-38427,38429-38431,38433,38439,38441,38443,38447,38524,38580,38727,38757,38894,39360-39361,39645,39659,39759-39760,39772,39795,39807-39808,39831,39850,39956,40148,40160,40169,40183,40195,40241,40269,40271,40400,40538,40604,40677,40689,40692,40704,40716,40723,40736,40851-40852,41072,41393,41395,41397-41398,41448,41457,41470,41483,41496,41662,41712,41870,41920,42056,42119-42120,42258-42261,42424,42433,42460-42461,42463,42887,42892-42894,43320,43323,43511-43512,43977,44021,44048,44176,44219,44233,44728,44833,44842,44993,45067,45321,45445,45745,45762,45765,45783-45784,45800,45819,45885,45936,45971,45990,45997,46320,46404,46408-46409,46474-46478,46483
 ,46485,46682,46895,46996,46999,47225,47341,47404,47634-47635,47637-47638,47867-47869,47872-47873,47912,47947-47951,48121,48241,48705,49162,49168-49169,49175,49204,49227-49228,49244,49267,49335,49358,49360,49362,49369,49371,49380,49382-49388,49548,49636,49781-49784,49786,49836,49876,49933,49937-49939,50017,50126,50176,50185,50268,50285,50298,50379,50387,50416,50432,50435-50436,50444,50446,50473-50474,50476,50479,50485-50487,50545,50579,50590,50704,50796,50799,50930,51341,51355,51498,51511,51535,51921,51924-51925,51937,52002,52130,52183,52233,52454-52457,52844,53112,53581-53582,53592,53958-53960,54322
</del><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:38181,38183,38185-38186,38189,38191,38194,38196,38199,38201,38205,38207,38209,38211-38213,38215-38216,38218,38221,38225,38227,38234-38235,38242,38244,38248,38251,38255,38257,38261,38263,38267,38274,38276-38277,38281,38286,38349,38415,38426-38427,38429-38431,38433,38439,38441,38443,38447,38524,38580,38727,38757,38894,39360-39361,39645,39659,39759-39760,39772,39795,39807-39808,39831,39850,39956,40148,40160,40169,40183,40195,40241,40269,40271,40400,40538,40604,40677,40689,40692,40704,40716,40723,40736,40851-40852,41072,41393,41395,41397-41398,41448,41457,41470,41483,41496,41662,41712,41870,41920,42056,42119-42120,42258-42261,42424,42433,42460-42461,42463,42887,42892-42894,43320,43323,43511-43512,43977,44021,44048,44176,44219,44233,44728,44833,44842,44993,45067,45321,45445,45745,45762,45765,45783-45784,45800,45819,45885,45936,45971,45990,45997,46320,46404,46408-46409,46474-46478,46483
 ,46485,46682,46895,46996,46999,47225,47341,47404,47634-47635,47637-47638,47867-47869,47872-47873,47912,47947-47951,48121,48241,48705,49162,49168-49169,49175,49204,49227-49228,49244,49267,49335,49358,49360,49362,49369,49371,49380,49382-49388,49548,49636,49781-49784,49786,49836,49876,49933,49937-49939,50017,50126,50176,50185,50268,50285,50298,50379,50387,50416,50432,50435-50436,50444,50446,50473-50474,50476,50479,50485-50487,50545,50579,50590,50704,50796,50799,50930,51341,51355,51498,51511,51535,51921,51924-51925,51937,52002,52130,52183,52233,52454-52457,52844,53112,53581-53582,53592,53958-53960,54322,54521-54523,54525-54527,54529-54530,54541
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches46srcwpincludescommentphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.6/src/wp-includes/comment.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.6/src/wp-includes/comment.php  2022-10-17 18:02:28 UTC (rev 54560)
+++ branches/4.6/src/wp-includes/comment.php    2022-10-17 18:03:41 UTC (rev 54561)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1989,6 +1989,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">                return 0;
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        $filter_comment = false;
+       if ( ! has_filter( 'pre_comment_content', 'wp_filter_kses' ) ) {
+               $filter_comment = ! user_can( isset( $comment['user_id'] ) ? $comment['user_id'] : 0, 'unfiltered_html' );
+       }
+
+       if ( $filter_comment ) {
+               add_filter( 'pre_comment_content', 'wp_filter_kses' );
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         // Escape data pulled from DB.
</span><span class="cx" style="display: block; padding: 0 10px">        $comment = wp_slash($comment);
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1999,6 +2008,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        $commentarr = wp_filter_comment( $commentarr );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        if ( $filter_comment ) {
+               remove_filter( 'pre_comment_content', 'wp_filter_kses' );
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         // Now extract the merged array.
</span><span class="cx" style="display: block; padding: 0 10px">        $data = wp_unslash( $commentarr );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre></div>
<a id="branches46srcwpincludescustomizeclasswpcustomizeheaderimagecontrolphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.6/src/wp-includes/customize/class-wp-customize-header-image-control.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.6/src/wp-includes/customize/class-wp-customize-header-image-control.php        2022-10-17 18:02:28 UTC (rev 54560)
+++ branches/4.6/src/wp-includes/customize/class-wp-customize-header-image-control.php  2022-10-17 18:03:41 UTC (rev 54561)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -107,10 +107,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        <# } #>
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        <button type="button" class="choice thumbnail"
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                data-customize-image-value="{{{data.header.url}}}"
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         data-customize-image-value="{{data.header.url}}"
</ins><span class="cx" style="display: block; padding: 0 10px">                                 data-customize-header-image-data="{{JSON.stringify(data.header)}}">
</span><span class="cx" style="display: block; padding: 0 10px">                                <span class="screen-reader-text"><?php _e( 'Set image' ); ?></span>
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                <img src="{{{data.header.thumbnail_url}}}" alt="{{{data.header.alt_text || data.header.description}}}">
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         <img src="{{data.header.thumbnail_url}}" alt="{{data.header.alt_text || data.header.description}}" />
</ins><span class="cx" style="display: block; padding: 0 10px">                         </button>
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        <# } #>
</span></span></pre></div>
<a id="branches46srcwpincludescustomizeclasswpcustomizesiteiconcontrolphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.6/src/wp-includes/customize/class-wp-customize-site-icon-control.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.6/src/wp-includes/customize/class-wp-customize-site-icon-control.php   2022-10-17 18:02:28 UTC (rev 54560)
+++ branches/4.6/src/wp-includes/customize/class-wp-customize-site-icon-control.php     2022-10-17 18:03:41 UTC (rev 54561)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -69,7 +69,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                                        <div class="favicon">
</span><span class="cx" style="display: block; padding: 0 10px">                                                                <img src="{{ data.attachment.sizes.full.url }}" alt="<?php esc_attr_e( 'Preview as a browser icon' ); ?>"/>
</span><span class="cx" style="display: block; padding: 0 10px">                                                        </div>
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                                        <span class="browser-title" aria-hidden="true"><?php bloginfo( 'name' ); ?></span>
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                                 <span class="browser-title" aria-hidden="true"><?php echo esc_js( get_bloginfo( 'name' ) ); ?></span>
</ins><span class="cx" style="display: block; padding: 0 10px">                                                 </div>
</span><span class="cx" style="display: block; padding: 0 10px">                                                <img class="app-icon-preview" src="{{ data.attachment.sizes.full.url }}" alt="<?php esc_attr_e( 'Preview as an app icon' ); ?>"/>
</span><span class="cx" style="display: block; padding: 0 10px">                                        </div>
</span></span></pre></div>
<a id="branches46srcwpincludesdatephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.6/src/wp-includes/date.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.6/src/wp-includes/date.php     2022-10-17 18:02:28 UTC (rev 54560)
+++ branches/4.6/src/wp-includes/date.php       2022-10-17 18:03:41 UTC (rev 54561)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -152,8 +152,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function __construct( $date_query, $default_column = 'post_date' ) {
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                if ( isset( $date_query['relation'] ) && 'OR' === strtoupper( $date_query['relation'] ) ) {
-                       $this->relation = 'OR';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( isset( $date_query['relation'] ) ) {
+                       $this->relation = $this->sanitize_relation( $date_query['relation'] );
</ins><span class="cx" style="display: block; padding: 0 10px">                 } else {
</span><span class="cx" style="display: block; padding: 0 10px">                        $this->relation = 'AND';
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -233,6 +233,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        $this->validate_date_values( $queries );
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                // Sanitize the relation parameter.
+               $queries['relation'] = $this->sanitize_relation( $queries['relation'] );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 foreach ( $queries as $key => $q ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( ! is_array( $q ) || in_array( $key, $this->time_keys, true ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                // This is a first-order query. Trust the values and sanitize when building SQL.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1015,4 +1018,20 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                return $wpdb->prepare( "DATE_FORMAT( $column, %s ) $compare %f", $format, $time );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+       /**
+        * Sanitizes a 'relation' operator.
+        *
+        * @since 6.0.3
+        *
+        * @param string $relation Raw relation key from the query argument.
+        * @return string Sanitized relation ('AND' or 'OR').
+        */
+       public function sanitize_relation( $relation ) {
+               if ( 'OR' === strtoupper( $relation ) ) {
+                       return 'OR';
+               } else {
+                       return 'AND';
+               }
+       }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="branches46srcwpincludesfunctionsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.6/src/wp-includes/functions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.6/src/wp-includes/functions.php        2022-10-17 18:02:28 UTC (rev 54560)
+++ branches/4.6/src/wp-includes/functions.php  2022-10-17 18:03:41 UTC (rev 54561)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2627,8 +2627,16 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $html .= sprintf( __( "Do you really want to <a href='%s'>log out</a>?"), wp_logout_url( $redirect_to ) );
</span><span class="cx" style="display: block; padding: 0 10px">        } else {
</span><span class="cx" style="display: block; padding: 0 10px">                $html = __( 'Are you sure you want to do this?' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                if ( wp_get_referer() )
-                       $html .= "</p><p><a href='" . esc_url( remove_query_arg( 'updated', wp_get_referer() ) ) . "'>" . __( 'Please try again.' ) . "</a>";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( wp_get_referer() ) {
+                       $wp_http_referer = remove_query_arg( 'updated', wp_get_referer() );
+                       $wp_http_referer = wp_validate_redirect( esc_url_raw( $wp_http_referer ) );
+                       $html           .= '</p><p>';
+                       $html           .= sprintf(
+                               '<a href="%s">%s</a>',
+                               esc_url( $wp_http_referer ),
+                               __( 'Please try again.' )
+                       );
+               }
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        wp_die( $html, __( 'WordPress Failure Notice' ), 403 );
</span></span></pre></div>
<a id="branches46srcwpincludesmediatemplatephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.6/src/wp-includes/media-template.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.6/src/wp-includes/media-template.php   2022-10-17 18:02:28 UTC (rev 54560)
+++ branches/4.6/src/wp-includes/media-template.php     2022-10-17 18:03:41 UTC (rev 54561)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1245,7 +1245,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        <div class="favicon">
</span><span class="cx" style="display: block; padding: 0 10px">                                <img id="preview-favicon" src="{{ data.url }}" alt="<?php esc_attr_e( 'Preview as a browser icon' ); ?>"/>
</span><span class="cx" style="display: block; padding: 0 10px">                        </div>
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        <span class="browser-title" aria-hidden="true"><?php bloginfo( 'name' ); ?></span>
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 <span class="browser-title" aria-hidden="true"><?php echo esc_js( get_bloginfo( 'name' ) ); ?></span>
</ins><span class="cx" style="display: block; padding: 0 10px">                 </div>
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                <strong aria-hidden="true"><?php _e( 'As an app icon' ); ?></strong>
</span></span></pre></div>
<a id="branches46srcwpincludespluggablephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.6/src/wp-includes/pluggable.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.6/src/wp-includes/pluggable.php        2022-10-17 18:02:28 UTC (rev 54560)
+++ branches/4.6/src/wp-includes/pluggable.php  2022-10-17 18:03:41 UTC (rev 54561)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -308,6 +308,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">        $phpmailer->ClearAttachments();
</span><span class="cx" style="display: block; padding: 0 10px">        $phpmailer->ClearCustomHeaders();
</span><span class="cx" style="display: block; padding: 0 10px">        $phpmailer->ClearReplyTos();
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        $phpmailer->Body    = '';
+       $phpmailer->AltBody = '';
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        // From email and name
</span><span class="cx" style="display: block; padding: 0 10px">        // If we don't have a name from the input headers
</span></span></pre></div>
<a id="branches46srcwpincludeswidgetsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.6/src/wp-includes/widgets.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.6/src/wp-includes/widgets.php  2022-10-17 18:02:28 UTC (rev 54560)
+++ branches/4.6/src/wp-includes/widgets.php    2022-10-17 18:03:41 UTC (rev 54561)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1233,7 +1233,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        if ( is_wp_error($rss) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                if ( is_admin() || current_user_can('manage_options') )
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        echo '<p>' . sprintf( __('<strong>RSS Error</strong>: %s'), $rss->get_error_message() ) . '</p>';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 echo '<p>' . sprintf( __('<strong>RSS Error</strong>: %s'), esc_html( $rss->get_error_message() ) ) . '</p>';
</ins><span class="cx" style="display: block; padding: 0 10px">                 return;
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1342,7 +1342,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">        $args['show_date']      = isset( $args['show_date'] ) ? (int) $args['show_date'] : (int) $inputs['show_date'];
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        if ( ! empty( $args['error'] ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                echo '<p class="widget-error"><strong>' . sprintf( __( 'RSS Error: %s' ), $args['error'] ) . '</strong></p>';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         echo '<p class="widget-error"><strong>' . sprintf( __( 'RSS Error: %s' ), esc_html( $args['error'] ) ) . '</strong></p>';
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        $esc_number = esc_attr( $args['number'] );
</span></span></pre></div>
<a id="branches46srcwpmailphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.6/src/wp-mail.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.6/src/wp-mail.php      2022-10-17 18:02:28 UTC (rev 54560)
+++ branches/4.6/src/wp-mail.php        2022-10-17 18:03:41 UTC (rev 54561)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -60,6 +60,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">        wp_die( __('There doesn&#8217;t seem to be any new mail.') );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+// Always run as an unauthenticated user.
+wp_set_current_user( 0 );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> for ( $i = 1; $i <= $count; $i++ ) {
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        $message = $pop3->get($i);
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -124,7 +127,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        $author = trim($line);
</span><span class="cx" style="display: block; padding: 0 10px">                                $author = sanitize_email($author);
</span><span class="cx" style="display: block; padding: 0 10px">                                if ( is_email($author) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        echo '<p>' . sprintf(__('Author is %s'), $author) . '</p>';
</del><span class="cx" style="display: block; padding: 0 10px">                                         $userdata = get_user_by('email', $author);
</span><span class="cx" style="display: block; padding: 0 10px">                                        if ( ! empty( $userdata ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                                $post_author = $userdata->ID;
</span></span></pre></div>
<a id="branches46srcwptrackbackphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.6/src/wp-trackback.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.6/src/wp-trackback.php 2022-10-17 18:02:28 UTC (rev 54560)
+++ branches/4.6/src/wp-trackback.php   2022-10-17 18:03:41 UTC (rev 54561)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -13,6 +13,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">        wp( array( 'tb' => '1' ) );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+// Always run as an unauthenticated user.
+wp_set_current_user( 0 );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px">  * Response to a trackback.
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span></span></pre>
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