Contenido CMS 4.8.12 – Cross-Site Scripting
Vulnerability ID: HTB22635 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_contenido_cms.html Product: Contenido CMS Vendor: four for business AG ( http://www.contenido.org/ ) Vulnerable Version: 4.8.12 and Probably Prior Versions Vendor Notification: 29 September 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 contact form to properly sanitize user-supplied input in many parameters. 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/path/to/contact/form.html?parentid= methos=POST name=M> <input type="hidden" name="send" valuye="1"> <input type="hidden" name="Vorname" valuye='z"><script>alert(document.cookie)</script>'> </form> <script> document.M.Submit(); <script> Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the "front_content.php" script to properly sanitize user-supplied input in "idart" 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: http://host/en/front_content.php?idart=1267%27%22%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E Solution: Upgrade to the most recent version |