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<title>[BuddyPress][9017] branches/2.0/bp-groups/bp-groups-actions.php: Use JSON encoding rather than PHP serialization for storing group creation details in a browser cookie</title>
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<dt>Revision</dt> <dd><a href="http://buddypress.trac.wordpress.org/changeset/9017">9017</a></dd>
<dt>Author</dt> <dd>boonebgorges</dd>
<dt>Date</dt> <dd>2014-09-15 15:01:19 +0000 (Mon, 15 Sep 2014)</dd>
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<h3>Log Message</h3>
<pre>Use JSON encoding rather than PHP serialization for storing group creation details in a browser cookie
PHP serialization and unserialization of user-provided input introduces
security vulnerabilities.
Props DJPaul</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches20bpgroupsbpgroupsactionsphp">branches/2.0/bp-groups/bp-groups-actions.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="branches20bpgroupsbpgroupsactionsphp"></a>
<div class="modfile"><h4>Modified: branches/2.0/bp-groups/bp-groups-actions.php (9016 => 9017)</h4>
<pre class="diff"><span>
<span class="info">--- branches/2.0/bp-groups/bp-groups-actions.php 2014-09-14 12:07:20 UTC (rev 9016)
+++ branches/2.0/bp-groups/bp-groups-actions.php 2014-09-15 15:01:19 UTC (rev 9017)
</span><span class="lines">@@ -57,11 +57,11 @@
</span><span class="cx">
</span><span class="cx"> // Fetch the currently completed steps variable
</span><span class="cx"> if ( isset( $_COOKIE['bp_completed_create_steps'] ) && !isset( $reset_steps ) )
</span><del>- $bp->groups->completed_create_steps = unserialize( stripslashes( $_COOKIE['bp_completed_create_steps'] ) );
</del><ins>+ $bp->groups->completed_create_steps = json_decode( base64_decode( stripslashes( $_COOKIE['bp_completed_create_steps'] ) ) );
</ins><span class="cx">
</span><span class="cx"> // Set the ID of the new group, if it has already been created in a previous step
</span><span class="cx"> if ( isset( $_COOKIE['bp_new_group_id'] ) ) {
</span><del>- $bp->groups->new_group_id = $_COOKIE['bp_new_group_id'];
</del><ins>+ $bp->groups->new_group_id = (int) $_COOKIE['bp_new_group_id'];
</ins><span class="cx"> $bp->groups->current_group = groups_get_group( array( 'group_id' => $bp->groups->new_group_id ) );
</span><span class="cx">
</span><span class="cx"> // Only allow the group creator to continue to edit the new group
</span><span class="lines">@@ -149,7 +149,7 @@
</span><span class="cx">
</span><span class="cx"> // Reset cookie info
</span><span class="cx"> setcookie( 'bp_new_group_id', $bp->groups->new_group_id, time()+60*60*24, COOKIEPATH );
</span><del>- setcookie( 'bp_completed_create_steps', serialize( $bp->groups->completed_create_steps ), time()+60*60*24, COOKIEPATH );
</del><ins>+ setcookie( 'bp_completed_create_steps', base64_encode( json_encode( $bp->groups->completed_create_steps ) ), time()+60*60*24, COOKIEPATH );
</ins><span class="cx">
</span><span class="cx"> // If we have completed all steps and hit done on the final step we
</span><span class="cx"> // can redirect to the completed group
</span></span></pre>
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