source: https://www.securityfocus.com/bid/19916/info

Vikingboard is prone to multiple cross-site scripting vulnerabilities because it fails to sufficiently sanitize user-supplied data.

Exploiting this issue could allow an attacker to steal cookie-based authentication credentials and to launch other attacks.

Version 0.1b is vulnerable; other versions may also be affected.

http://www.example.com/help.php?act=[XSS]