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<title>[34147] branches/4.0/src/wp-includes: Shortcodes: don't allow unclosed HTML elements in attributes</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/34147">34147</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/34147","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>nbachiyski</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2015-09-14 22:48:11 +0000 (Mon, 14 Sep 2015)</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'>Shortcodes: don't allow unclosed HTML elements in attributes
Merges <a href="https://core.trac.wordpress.org/changeset/34134">[34134]</a> for 4.0 branch</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches40srcwpincludesmediaphp">branches/4.0/src/wp-includes/media.php</a></li>
<li><a href="#branches40srcwpincludesshortcodesphp">branches/4.0/src/wp-includes/shortcodes.php</a></li>
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<h3>Diff</h3>
<a id="branches40srcwpincludesmediaphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.0/src/wp-includes/media.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.0/src/wp-includes/media.php 2015-09-14 22:47:50 UTC (rev 34146)
+++ branches/4.0/src/wp-includes/media.php 2015-09-14 22:48:11 UTC (rev 34147)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -801,6 +801,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $content = $matches[1];
</span><span class="cx" style="display: block; padding: 0 10px"> $attr['caption'] = trim( $matches[2] );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ } elseif ( strpos( $attr['caption'], '<' ) !== false ) {
+ $attr['caption'] = wp_kses( $attr['caption'], 'post' );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span></span></pre></div>
<a id="branches40srcwpincludesshortcodesphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.0/src/wp-includes/shortcodes.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.0/src/wp-includes/shortcodes.php 2015-09-14 22:47:50 UTC (rev 34146)
+++ branches/4.0/src/wp-includes/shortcodes.php 2015-09-14 22:48:11 UTC (rev 34147)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -461,6 +461,15 @@
</span><span class="cx" style="display: block; padding: 0 10px"> elseif (isset($m[8]))
</span><span class="cx" style="display: block; padding: 0 10px"> $atts[] = stripcslashes($m[8]);
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ // Reject any unclosed HTML elements
+ foreach( $atts as &$value ) {
+ if ( false !== strpos( $value, '<' ) ) {
+ if ( 1 !== preg_match( '/^[^<]*+(?:<[^>]*+>[^<]*+)*+$/', $value ) ) {
+ $value = '';
+ }
+ }
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="cx" style="display: block; padding: 0 10px"> $atts = ltrim($text);
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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