Ticket #10011: 10011.theme.patch

wp-includes/theme.php

@@ -1153 +1153 @@
         $file = preg_replace('|/+|','/', $file); // remove any duplicate slash
         $theme_dir = str_replace('\\','/', get_theme_root()); // sanitize for Win32 installs
         $theme_dir = preg_replace('|/+|','/', $theme_dir); // remove any duplicate slash
-        $file = preg_replace('|^.*/themes/.*?/|','',$file); // get relative path from theme dir
+        $file = preg_replace('|^'. preg_quote($theme_dir, '#') .'/|','',$file); // get relative path from theme dir
         return $file;
 }