WordPress: Privilege escalation

Background

WordPress is a PHP and MySQL based multiuser blogging system.

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"