Secunia Security Advisory – Some vulnerabilities have been reported in the Heartbeat module for Drupal, which can be exploited by malicious users to conduct script insertion attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/89744/sa39893.txt
Source: https://packetstormsecurity.com/files/89744/Secunia-Security-Advisory-39893.html