source: http://www.securityfocus.com/bid/8235/info

The Drupal content management system is prone to a cross-site scripting vulnerability. This issue is exposed through the main page and through other sub-pages. An attacker may exploit this issue by including hostile HTML and script code in a malicious link to Drupal. This code may be rendered in the web browser of a user who visits the link.

http://www.example.com/xxx"><script>alert(document.domain)</script><"

http://www.example.com/node/view/666"><script>alert(document.domain)</script>