Secunia Security Advisory – A vulnerability has been reported in the Chatroom Module for Drupal, which can be exploited by malicious people to hijack user sessions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/52905/sa23343.txt
Source: https://packetstormsecurity.com/files/52905/Secunia-Security-Advisory-23343.html