Secunia Security Advisory – A security issue and a vulnerability have been reported in MediaWiki, which can be exploited by malicious people to disclose potentially sensitive information and conduct cross-site scripting attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/92258/sa40740.txt
Source: https://packetstormsecurity.com/files/92258/Secunia-Security-Advisory-40740.html