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:4.8.12and 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 inputin 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><inputtype="hidden" name="send" valuye="1"><inputtype="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 inputin"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