WordPress 3.0.2 [1] is out and it is recommended for everyone to upgrade as it is a mandatory security update for all previous WordPress versions.
Fixes:
- 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.
- [Fixed other issues [2]]
Changelog: WordPress 3.0.2 [3]
Download: WordPress 3.0.2 [4]
Download: Modified files since WordPress 3.0.1 [5]