Cross-site scripting (XSS) vulnerability in setup.php in phpMyAdmin before 2.11.8 allows user-assisted remote attackers to inject arbitrary web script or HTML via crafted setup arguments. NOTE: this issue can only be exploited in limited scenarios in which the attacker must be able to modify config/config.inc.php.

More... (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-3457)