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Pings/Trackbacks: In wp_xmlrpc_server::pingback_ping(), strip inline JS and CSS while trying to figure out the pingback context.

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Props david.binda.
Fixes #47283.
Built from https://develop.svn.wordpress.org/trunk@45823


git-svn-id: http://core.svn.wordpress.org/trunk@45634 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2019-08-17 13:59:55 +00:00
parent aa8e2ff3ba
commit cde194a21e
2 changed files with 5 additions and 2 deletions
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5
wp-includes/class-wp-xmlrpc-server.php
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@ -6880,7 +6880,10 @@ class wp_xmlrpc_server extends IXR_Server {
return $this->pingback_error( 32, __( 'We cannot find a title on that page.' ) );
}
$remote_source = strip_tags( $remote_source, '<a>' ); // just keep the tag we need
// Remove all script and style tags including their content.
$remote_source = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $remote_source );
// Just keep the tag we need.
$remote_source = strip_tags( $remote_source, '<a>' );
$p = explode( "\n\n", $remote_source );

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.3-alpha-45822';
$wp_version = '5.3-alpha-45823';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.