Vulnerability ID: HTB22581 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_compucms_1.html Product: CompuCMS Vendor: CompuSoft A/S ( http://www.compusoft.dk/ ) Vulnerable Version: Current at 06.08.2010 and Probably Prior Versions Vendor Notification: 09 August 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 "index.asp" script to properly sanitize user-supplied input in "sprog" 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/index.asp?mode=for!forside!gb&sprog=gb'"><script>alert(document.cookie)</script>
