cross site scripting vulnerability in BLOG:CMS

From: advisory@htbridge.ch
To: bugtraq@securityfocus.com
Cc:
Subject: cross site scripting vulnerability in BLOG:CMS
Date:


Vulnerability ID: HTB22726
Reference: http://www.htbridge.ch/advisory/cross_site_scripting_vulnerability_in_blogcms.html
Product: BLOG:CMS
Vendor: Radek Hulán ( http://blogcms.com/ ) 
Vulnerable Version: 4.2.1.e and probably prior versions
Vendor Notification: 30 November 2010 
Vulnerability Type: XSS (Cross Site Scripting)
Status: Fixed by Vendor
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/index.php" script to properly sanitize user-supplied input in "action" 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/admin/index.php?action=settingsedit"><script>alert(document.cookie)</script>
Solution: Upgrade to the most recent version





Copyright © 1995-2018 LinuxRocket.net. All rights reserved.