Vulnerability ID: HTB22489 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_theeta_cms_2.html Product: Theeta CMS Vendor: MN Tech Solutions Vulnerable Version: 0.0 Vendor Notification: 12 July 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 "forum.php" script to properly sanitize user-supplied input in "forum" 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. An attacker can use browser to exploit this vulnerability. The following PoC is available: http://host/community/forum.php?forum=1"><script>alert(document.cookie)</script>&cat=1