Secunia Security Advisory – A weakness has been discovered in Piwik, which can be exploited by malicious people to conduct spoofing attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/92428/sa40869.txt
Source: https://packetstormsecurity.com/files/92428/Secunia-Security-Advisory-40869.html