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HTB22814: XSS vulnerability in ViArt Shop



Vulnerability ID: HTB22814
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_viart_shop.html
Product: ViArt Shop
Vendor: Viart Software ( http://www.viart.com/ ) 
Vulnerable Version: Enterprise v.4.0.5
Vendor Notification: 25 January 2011 
Vulnerability Type: XSS (Cross Site Scripting)
Status: Not Fixed
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 "/admin/admin_product.php" script to properly sanitize user-supplied input in "item_id" 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:

http://host/admin/admin_product.php?category_id=0&item_id=1%22%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E