XSRF (CSRF) in Zimplit

Vulnerability ID: HTB22605
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_zimplit.html
Product: Zimplit
Vendor: Zimplit Ltd. ( http://www.zimplit.com/ )
Vulnerable Version: 3.0 and Probably Prior Versions
Vendor Notification: 15 September 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 "zimplit.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 PoC example:
http://host/zimplit.php?action=load&file=../hello.php
This PoC leads to the execution of the "hello.php" in the parent folder.