A new security update has been released for Gentoo Linux - WordPress: Privilege escalation. Here the announcement:

Gentoo Linux Security Advisory GLSA 200608-19
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http://security.gentoo.org/
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Severity: Normal
Title: WordPress: Privilege escalation
Date: August 10, 2006
Bugs: #142142
ID: 200608-19

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Synopsis
========

A flaw in WordPress allows registered WordPress users to elevate
privileges.

Background
==========

WordPress is a PHP and MySQL based multiuser blogging system.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apps/wordpress < 2.0.4 >= 2.0.4

Description
===========

The WordPress developers have confirmed a vulnerability in capability
checking for plugins.

Impact
======

By exploiting a flaw, a user can circumvent WordPress access
restrictions when using plugins. The actual impact depends on the
configuration of WordPress and may range from trivial to critical,
possibly even the execution of arbitrary PHP code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All WordPress users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apps/wordpress-2.0.4"

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200608-19.xml

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
http://bugs.gentoo.org.

License
=======

Copyright 2006 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.

http://creativecommons.org/licenses/by-sa/2.5