[ GLSA 200604-01 ] MediaWiki: Cross-site scripting vulnerability

[GLSA]

Gentoo Linux Security Advisory

Title: MediaWiki: Cross-site scripting vulnerability (GLSA 200604-01)
Severity: low
Exploitable: remote
Date: April 04, 2006
Bug(s): #127971
ID: 200604-01

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: www-apps/mediawiki
Vulnerable: < 1.4.15
Unaffected: >= 1.4.15
Architectures: All supported architectures


Description

MediaWiki fails to decode certain encoded URLs correctly.

Impact

By supplying specially crafted links, a remote attacker could exploit this vulnerability to inject malicious HTML or 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 version: