Vulnerability ID: HTB22662 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_memht_portal.html Product: MemHT Portal Vendor: Miltenovik Manojlo ( http://www.memht.com/ ) Vulnerable Version: 4.0.1 and probably prior versions Vendor Notification: 19 October 2010 Vulnerability Type: Stored XSS (Cross Site Scripting) Status: Not Fixed, Vendor Alerted 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 "admin/pages/configuration/index.php" script to properly sanitize user-supplied input in "copyright" 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: