Vulnerability ID: HTB22911 Reference: http://www.htbridge.ch/advisory/xss_in_eleanor_cms.html Product: Eleanor CMS Vendor: Eleanor CMS ( http://eleanor-cms.ru/ ) Vulnerable Version: rc5 Vendor Notification: 22 March 2011 Vulnerability Type: XSS (Cross Site Scripting) Status: Fixed by Vendor Risk level: Medium Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: The vulnerability exists due to failure in the "admin.php" script to properly sanitize user-supplied input in "whereform" variable. User can execute arbitrary JavaScript code within the vulnerable application. 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: [code] POST /admin.php HTTP/1.1 user_name=111&pass=222&whereform="><script>alert("XSS");</script>&submit=%C2%EE%E9%F2%E8 [/code] Solution: Upgrade to the most recent version