Ticket #18268: 18268.2.diff

wp-includes/kses.php

@@ -500 +500 @@
  * @return string Filtered content with only allowed HTML elements
  */
 function wp_kses($string, $allowed_html, $allowed_protocols = array ()) {
-        $allowed_protocols = wp_parse_args( $allowed_protocols, wp_allowed_protocols() );
+        if ( empty( $allowed_protocols ) )
+                $allowed_protocols = wp_allowed_protocols();
         $string = wp_kses_no_null($string);
         $string = wp_kses_js_entities($string);
         $string = wp_kses_normalize_entities($string);