Ticket #21655: 21655.patch

wp-admin/themes.php

@@ -169 +169 @@
                                 else
                                         $options[] = "<a href='{$submenu[$item[2]][0][2]}'$class>{$item[0]}</a>";
                         } else if ( current_user_can($item[1]) ) {
-                                if ( file_exists(ABSPATH . 'wp-admin/' . $item[2]) ) {
+                                $menu_file = $item[2];
+                                if ( false !== ( $pos = strpos( $menu_file, '?' ) ) )
+                                        $menu_file = substr( $menu_file, 0, $pos );
+                                if ( file_exists( ABSPATH . "wp-admin/$menu_file" ) ) {
                                         $options[] = "<a href='{$item[2]}'$class>{$item[0]}</a>";
                                 } else {
                                         $options[] = "<a href='themes.php?page={$item[2]}'$class>{$item[0]}</a>";