Many themes for WordPress, particularly commercial and premium themes, make use of the handy timthumb.php utility for resizing images dynamically (on the fly). In recent weeks, major security flaws were discovered with the popular utility. These were promptly repaired, but it still didn't provide support for multi-site installations. So ... we've added this capability to the latest 2.8 version. Now, you have enhanced security ... plus you can use our minor update as a direct replacement (read more)