XSS vulnerability in BEdita

Type securityvulns
Reporter Securityvulns
Modified 2010-12-15T00:00:00


Vulnerability ID: HTB22723 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_bedita.html Product: BEdita Vendor: Chialab & ChannelWeb ( http://www.bedita.com/ ) Vulnerable Version: "betula" and probably prior versions Vendor Notification: 30 November 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 "bedita-app/controllers/home_controller.php" script to properly sanitize user-supplied input in "searchstring" 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/bedita-app/news/index" method="post" name="main"> <input type="hidden" name="searchstring" value='search"><script>alert(document.cookie)</script>'> </form> <script> document.main.submit(); </script>