Secunia Security Advisory – A vulnerability and a security issue have been reported in MediaWiki, which can be exploited by malicious users to disclose sensitive information and bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/87047/sa38856.txt
Source: https://packetstormsecurity.com/files/87047/Secunia-Security-Advisory-38856.html