XSS vulnerability in Eden Platform

Vulnerability ID: HTB22539
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_eden_platform_1.html
Product: Eden Platform
Vendor: Preation ( http://www.preation.com/ )
Vulnerable Version: Current at 27.07.2010 and Probably Prior Versions
Vendor Notification: 26 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 contact form to properly sanitize user-supplied input in multiple parameters. 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:

Just add this value:

<script>alert(document.cookie)</script>

in any parameter in contact form, and see form results in admin panel.