Secunia Security Advisory – A vulnerability has been reported in the Form_mail module for Drupal, which can be exploited by malicious people to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48002/sa20920.txt
Source: https://packetstormsecurity.com/files/48002/Secunia-Security-Advisory-20920.html