MediaWiki security release 1.16.2

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I would like to announce the release of MediaWiki 1.16.2, which is a
security release. Two security issues were discovered.

An arbitrary script inclusion vulnerability was discovered. The
vulnerability only allows execution of files with names ending in
".php" which are already present in the local filesystem. Only servers
running Microsoft Windows and possibly Novell Netware are affected.
Despite these mitigating factors, all users are advised to upgrade,
since there is a risk of complete server compromise. MediaWiki 1.8.0
and later is affected. For more details, see bug 27094:

https://bugzilla.wikimedia.org/show_bug.cgi?id=27094

Security researcher mghack discovered a CSS injection vulnerability.
For Internet Explorer and similar browsers, this is equivalent to an
XSS vulnerability, that is to say, it allows the compromise of wiki
user accounts. For other browsers, it allows private data such as IP
addresses and browsing patterns to be sent to a malicious external web
server. It affects all versions of MediaWiki. All users are advised to
upgrade. For more information, see bug 27093:

https://bugzilla.wikimedia.org/show_bug.cgi?id=27093

This vulnerability was originally reported to the Mozilla Security
Group and has been assigned CVE-2011-0047.