Secunia Security Advisory – Two vulnerabilities have been reported in HTML Purifier, which can be exploited by malicious people to conduct cross-site scripting or script insertion attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/67622/sa30779.txt
Source: https://packetstormsecurity.com/files/67622/Secunia-Security-Advisory-30779.html