WordPress 3.0.2 Mandatory Security Fix
Wordpress 3.0.2 is released and has a mandatory security fix that is essential for multi author blogs who have writers with “author” accounts.
upgrading wordpress
Upgrade to WordPress 2.9.2
Upgrading to Wordpress 2.9.2 will close the security hole where contributors can see posts in your trashcan even if they were sensitive or created by the admin.