phpMyAdmin 3.5.x and 4.0.x before 4.0.5 allows remote attackers to bypass the clickjacking protection mechanism via certain vectors related to Header.class.php.
https://github.com/phpmyadmin/phpmyadmin/commit/66fe475d4f51b1761719cb0cab360748800373f7
http://www.phpmyadmin.net/home_page/security/PMASA-2013-10.php
http://secunia.com/advisories/54488
http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00013.html