Vulnerability ID: HTB22450
Vulnerable Version: 2.00 and Probably Prior Versions
Vendor Notification: 21 June 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/)
The vulnerability exists due to failure in the "/newtodo.php" script to properly sanitize user-supplied input in "todo" 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:
1) Just add "" value to "Text" field.
2) Open this url: http://host/todo.php?ID=$ID