Vulnerability ID: HTB22520 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_dt_centrepiece_1.html Product: DT Centrepiece Vendor: DT Services ( http://www.dt.net.nz/ ) Vulnerable Version: 4.5 and Probably Prior Versions Vendor Notification: 22 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 "login.asp" script to properly sanitize user-supplied input in "c" 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/login.asp?c=/%22%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E