WordPress 3.0.2 is a maintenance release that fixes a moderate security issue that could allow a malicious Author-level users to gain further access to the site, addresses a handful of bugs, and provides some additional security enhancements.

What’s new

• Fixed moderate security issue where a malicious Author-level user could gain further access to the site.
• Remove pingback/trackback blogroll whitelisting feature as it can easily be abused.
• See all updates

To upgrade, visit http://wordpress.org/download/ or update automatically from the Dashboard > Updates menu in your site’s admin area.