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Theeta CMS XSS vulnerability

XSS vulnerability in Theeta CMS XSS vulnerability in Theeta CMS


Vulnerability ID: HTB22488
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_theeta_cms_1.html 
Product: Theeta CMS
Vendor: MN Tech Solutions ( http://www.mntechsolutions.net/ ) 
Vulnerable Version: 0.0
Vendor Notification: 12 July 2010 
Vulnerability Type: XSS (Cross Site Scripting)
Status: Not Fixed, Vendor Alerted
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 "userarticle.php" script to properly sanitize user-supplied input in "blogid" 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: