Secunia Security Advisory – A vulnerability has been reported in MediaWiki, which can be exploited by malicious users to bypass certain security restrictions and conduct script insertion attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42517/sa18219.txt
Source: https://packetstormsecurity.com/files/42517/Secunia-Security-Advisory-18219.html