Vulnerability ID: HTB22721 Reference: http://www.htbridge.ch/advisory/stored_xss_cross_site_scripting_vulnerability_in_diferior.html Product: Diferior Vendor: Povilas Musteikis ( http://www.diferior.com/ ) Vulnerable Version: 8.03 and probably prior versions Vendor Notification: Vulnerability Type: Stored XSS (Cross Site Scripting) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response 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 "views/post.php" script to properly sanitize user-supplied input in "post_content" 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: