jakcms 2.0 pro rc5 - Stored XSS via useragent http header injection



EDB-ID: 16128 CVE: N/A OSVDB-ID: 72451
Author: Saif El-Sherei Published: 2011-02-07 Verified: Verified
Exploit Code:   Download Vulnerable App:   N/A

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# Exploit Title: JAKCMS 2.0 PRO RC5 stored XSS via useragent HTTP header
Injection
# Date: 7-2-2011
# Author: Saif El-Sherei
# Software Link:
http://php.opensourcecms.com/scripts/redirect/download.php?id=480
# Version: JAKCMS PRO 2.0 RC5 and probably earlier version
# Tested on: Firefox 3.0.15, , IE 8
# Vendor Notified: vendor notified"7-2-2011", awaiting vendor response.
# Vendor Respons: http://www.jakcms.com/tracker/t/12/jakcms-2-pro-rc5-stored-xss-via-useragent-http-header-injection
# Google Dork: "Powered By JAKCMS"

Info:
Our content managament system PRO is made for professional websites any
kind. Content publishing, Forum, Blog, Events, Gallery, Tags, News,
Newsletter, Search, Security and more - the PRO has it all. CMS PRO is the
choice for people who are serious about creating thriving online websites.

Details:

An attacker can exploit this vuln since using an intercepting proxy, where
an attacker can modify the "user-agent HTTP header" the Header is displayed
and stroed unsantized in the admin logs on failed and successful logins.

POC:

useragent: <script>alert('XSS')</script>

Regards,

Saif El-Sherei
OSCP