Secunia Security Advisory – Botan has discovered a vulnerability in PHP iCalendar, which can be exploited by malicious people to conduct cross-site scripting attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/47900/sa20883.txt
Source: https://packetstormsecurity.com/files/47900/Secunia-Security-Advisory-20883.html