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Gentoo Linux Security Advisory                           GLSA 200507-18
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                                            https://security.gentoo.org/
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  Severity: Low
     Title: MediaWiki: Cross-site scripting vulnerability
      Date: July 20, 2005
      Bugs: #99132
        ID: 200507-18

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Synopsis
=======
MediaWiki is vulnerable to a cross-site scripting attack that could
allow arbitrary JavaScript code execution.

Background
=========
MediaWiki is a collaborative editing software, used by big projects
like Wikipedia.

Affected packages
================
    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  www-apps/mediawiki       < 1.4.7                         >= 1.4.7

Description
==========
MediaWiki fails to escape a parameter in the page move template
correctly.

Impact
=====
By enticing a user to visit a specially crafted URL, a remote attacker
could exploit this vulnerability to inject malicious JavaScript code
that will be executed in a user's browser session in the context of the
vulnerable site.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All MediaWiki users should upgrade to the latest available version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.4.7"

References
=========
  [ 1 ] MediaWiki 1.4.7 Release Notes
        
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/200507-18

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org/.

License
======
Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.0/