Ticket #11436: 11436.patch

wp-includes/class-oembed.php

@@ -248 +248 @@
                         case 'video':
                         case 'rich':
                                 $return = ( !empty($data->html) ) ? $data->html : false;
+                                if ( is_admin_bar_showing() )
+                                        $return = str_replace('</param><embed', '</param><param name="wmode" value="opaque"></param><embed wmode="opaque"', $return );
                                 break;
 
                         case 'link':