XSS vulnerability in Injader CMS

Vulnerability ID: HTB22744
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_injader_cms.html
Product: Injader CMS
Vendor: http://www.injader.com/ ( http://www.injader.com/ )
Vulnerable Version: 2.4.4
Vendor Notification: 07 December 2010
Vulnerability Type: XSS (Cross Site Scripting)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Medium
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)

Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
The vulnerability exists due to failure in the "/login.php" script to properly sanitize user-supplied input in "Referer" variable.
Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.

The following PoC is available:

GET /login.php HTTP/1.1
Referer: "><script>alert('XSS');</script>