MediaWiki: Cross-site scripting vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200506-12 / mediawiki
Release Date	June 13, 2005
Latest Revision	June 13, 2005: 01
Impact	low
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
www-apps/mediawiki	< 1.4.5	>= 1.4.5, revision >= 1.3.13	All supported architectures

Related bugreports: #95255

Synopsis

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

2. Impact Information

Background

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

Description

MediaWiki incorrectly handles page template inclusions, rendering it vulnerable to cross-site scripting attacks.

Impact

A remote attacker could exploit this vulnerability to inject malicious script code that will be executed in a user's browser session in the context of the vulnerable site.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All MediaWiki users should upgrade to the latest available versions:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose www-apps/mediawiki

4. References

MediaWiki 1.4.5 Release Notes

Updated June 13, 2005

Summary: This is a Gentoo Linux Security Advisory

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