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A new version (0.9.0.0 - Release Candidate 1) of the free Secunia PSI
has been released. The new version includes many new and advanced
features, which makes it even easier to stay patched.

Download and test it today:
https://psi.secunia.com/

Read more about this new version:
https://psi.secunia.com/?page=changelog

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TITLE:
MediaWiki Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA28629

VERIFY ADVISORY:
http://secunia.com/advisories/28629/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
MediaWiki 1.x
http://secunia.com/product/2546/

DESCRIPTION:
A vulnerability has been reported in MediaWiki, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed via unspecified parameters to api.php is not properly
sanitised before being returned to the user. This can be exploited to
execute arbitrary HTML and script code in a user's browser session in
context of an affected site. The vulnerability affects users of
Microsoft Internet Explorer only.

Successful exploitation requires that the API interface is enabled.

The vulnerability is reported in the following versions:
* 1.11 <= 1.11.0rc1
* 1.10 <= 1.10.2
* 1.9 <= 1.9.4
* 1.8 any version (if $wgEnableAPI has been switched on)

NOTE: MediaWiki 1.7 is reportedly not affected, but the BotQuery
extension is similarly vulnerable unless updated to the latest SVN
version.

SOLUTION:
Update to version 1.11.1, 1.10.3, or 1.9.5.

1.11.1:
http://download.wikimedia.org/mediawiki/1.11/mediawiki-1.11.1.tar.gz
http://download.wikimedia.org/mediawiki/1.11/mediawiki-1.11.1.patch

1.10.3:
http://download.wikimedia.org/mediawiki/1.10/mediawiki-1.10.3.tar.gz
http://download.wikimedia.org/mediawiki/1.10/mediawiki-1.10.3.patch

1.9.5:
http://download.wikimedia.org/mediawiki/1.9/mediawiki-1.9.5.tar.gz
http://download.wikimedia.org/mediawiki/1.9/mediawiki-1.9.5.patch

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://lists.wikimedia.org/pipermail/mediawiki-announce/2008-January/000068.html

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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