Multiple cross-site scripting (XSS) vulnerabilities in PBLang 4.65 allow remote attackers to inject arbitrary web script or HTML via (1) the search string to search.php, (2) the subject of a PM, which is processed by pm.php, or (3) the body of a PM, which is processed by pmpshow.php.
http://securitytracker.com/id?1013277
http://marc.info/?l=bugtraq&m=110917768511595&w=2