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<title>[46917] branches/4.8: Ensure that a user can publish_posts before making a post sticky.</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/46917">46917</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/46917","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>2019-12-12 18:53:18 +0000 (Thu, 12 Dec 2019)</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'>Ensure that a user can publish_posts before making a post sticky.
Props: danielbachhuber, whyisjake, peterwilson, xknown.
Brings <a href="https://core.trac.wordpress.org/changeset/46893">r46893</a> to the 4.8 branch.
Update `wp_kses_bad_protocol()` to recognize `:` on uri attributes,
`wp_kses_bad_protocol()` makes sure to validate that uri attributes don't contain invalid/or not allowed protocols. While this works fine in most cases, there's a risk that by using the colon html5 named entity, one is able to bypass this function.
Brings <a href="https://core.trac.wordpress.org/changeset/46895">r46895</a> to the 4.8 branch.
Props: xknown, nickdaugherty, peterwilsoncc.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches48srcwpincludesksesphp">branches/4.8/src/wp-includes/kses.php</a></li>
<li><a href="#branches48srcwpincludesrestapiendpointsclasswprestpostscontrollerphp">branches/4.8/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php</a></li>
<li><a href="#branches48testsphpunittestsksesphp">branches/4.8/tests/phpunit/tests/kses.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches48">branches/4.8/</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.8
</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/4.8 2019-12-12 18:51:18 UTC (rev 46916)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.8 2019-12-12 18:53:18 UTC (rev 46917)
</ins><a id="branches48"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.8</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/3.4:21757
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/4.9:42434
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.0:43988,43994,44014,44017,44047,45005
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:40872-40873,40879,40881,40883,40885,40892-40893,40896-40897,40901,40926-40927,40939,40941,40961,40990-40991,40995,41000,41009,41020,41022,41028,41035,41037,41047,41050,41070,41072,41086,41088,41094,41112,41115-41116,41132,41134,41136,41139,41141,41250-41251,41260,41294,41335,41386,41393,41395,41397-41398,41448,41457,41470,41483,41496,41636,41662,41870,42056,42119-42120,42220,42258-42261,42424,42433,42892-42894,44021,44048,44833,44842,44993,45936,45971,45990,45997,46474-46478,46483,46485
</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:40872-40873,40879,40881,40883,40885,40892-40893,40896-40897,40901,40926-40927,40939,40941,40961,40990-40991,40995,41000,41009,41020,41022,41028,41035,41037,41047,41050,41070,41072,41086,41088,41094,41112,41115-41116,41132,41134,41136,41139,41141,41250-41251,41260,41294,41335,41386,41393,41395,41397-41398,41448,41457,41470,41483,41496,41636,41662,41870,42056,42119-42120,42220,42258-42261,42424,42433,42892-42894,44021,44048,44833,44842,44993,45936,45971,45990,45997,46474-46478,46483,46485,46893,46895
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches48srcwpincludesksesphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.8/src/wp-includes/kses.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.8/src/wp-includes/kses.php 2019-12-12 18:51:18 UTC (rev 46916)
+++ branches/4.8/src/wp-includes/kses.php 2019-12-12 18:53:18 UTC (rev 46917)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1385,7 +1385,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1 ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $string = preg_replace( '/(�*58(?![;0-9])|�*3a(?![;a-f0-9]))/i', '$1;', $string );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $string2 = preg_split( '/:|�*58;|�*3a;/i', $string, 2 );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $string2 = preg_split( '/:|�*58;|�*3a;|:/i', $string, 2 );
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( isset($string2[1]) && ! preg_match('%/\?%', $string2[0]) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $string = trim( $string2[1] );
</span><span class="cx" style="display: block; padding: 0 10px"> $protocol = wp_kses_bad_protocol_once2( $string2[0], $allowed_protocols );
</span></span></pre></div>
<a id="branches48srcwpincludesrestapiendpointsclasswprestpostscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.8/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.8/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php 2019-12-12 18:51:18 UTC (rev 46916)
+++ branches/4.8/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php 2019-12-12 18:53:18 UTC (rev 46917)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -501,7 +501,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return new WP_Error( 'rest_cannot_edit_others', __( 'Sorry, you are not allowed to create posts as this user.' ), array( 'status' => rest_authorization_required_code() ) );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</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 ( ! empty( $request['sticky'] ) && ! current_user_can( $post_type->cap->edit_others_posts ) ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! empty( $request['sticky'] ) && ! current_user_can( $post_type->cap->edit_others_posts ) && ! current_user_can( $post_type->cap->publish_posts ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> return new WP_Error( 'rest_cannot_assign_sticky', __( 'Sorry, you are not allowed to make posts sticky.' ), array( 'status' => rest_authorization_required_code() ) );
</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">@@ -645,7 +645,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return new WP_Error( 'rest_cannot_edit_others', __( 'Sorry, you are not allowed to update posts as this user.' ), array( 'status' => rest_authorization_required_code() ) );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</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 ( ! empty( $request['sticky'] ) && ! current_user_can( $post_type->cap->edit_others_posts ) ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! empty( $request['sticky'] ) && ! current_user_can( $post_type->cap->edit_others_posts ) && ! current_user_can( $post_type->cap->publish_posts ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> return new WP_Error( 'rest_cannot_assign_sticky', __( 'Sorry, you are not allowed to make posts sticky.' ), array( 'status' => rest_authorization_required_code() ) );
</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">@@ -938,7 +938,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @return stdClass|WP_Error Post object or WP_Error.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> protected function prepare_item_for_database( $request ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $prepared_post = new stdClass;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $prepared_post = new stdClass();
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Post ID.
</span><span class="cx" style="display: block; padding: 0 10px"> if ( isset( $request['id'] ) ) {
</span></span></pre></div>
<a id="branches48testsphpunittestsksesphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.8/tests/phpunit/tests/kses.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.8/tests/phpunit/tests/kses.php 2019-12-12 18:51:18 UTC (rev 46916)
+++ branches/4.8/tests/phpunit/tests/kses.php 2019-12-12 18:53:18 UTC (rev 46917)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -169,6 +169,28 @@
</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">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $bad_not_normalized = array(
+ 'dummy:alert(1)',
+ 'javascript:alert(1)',
+ 'javascript&CoLon;alert(1)',
+ 'javascript&COLON;alert(1);',
+ 'javascript:alert(1);',
+ 'javascript:alert(1);',
+ 'javascript:alert(1);',
+ 'jav ascript&COLON;alert(1);',
+ 'javascript:javascript:alert(1);',
+ 'javascript:javascript:alert(1);',
+ 'javascript:javascript:alert(1);',
+ 'javascript:javascript:alert(1);',
+ 'javascript:alert(1)',
+ );
+ foreach ( $bad_not_normalized as $k => $x ) {
+ $result = wp_kses_bad_protocol( $x, wp_allowed_protocols() );
+ if ( ! empty( $result ) && 'alert(1);' !== $result && 'alert(1)' !== $result ) {
+ $this->fail( "wp_kses_bad_protocol failed on $k, $x. Result: $result" );
+ }
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $safe = array(
</span><span class="cx" style="display: block; padding: 0 10px"> 'dummy:alert(1)',
</span><span class="cx" style="display: block; padding: 0 10px"> 'HTTP://example.org/',
</span></span></pre>
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