error.php in PhpMyAdmin 3.3.8.1, and other versions before 3.4.0-beta1, allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted BBcode tag containing "@" characters, as demonstrated using "[a@url@page]".
http://www.vupen.com/english/advisories/2011/0027
http://www.vupen.com/english/advisories/2011/0001
http://www.vupen.com/english/advisories/2010/3133
http://www.securityfocus.com/bid/45633
http://www.phpmyadmin.net/home_page/security/PMASA-2010-9.php
http://www.mandriva.com/security/advisories?name=MDVSA-2011:000
http://www.debian.org/security/2010/dsa-2139