WordPress just released update version 3.0.4 which they are calling a critical security update for all previous versions.
This WordPress update is the 3rd of its kind in the month of December. WordPress 3.0.2, 3.0.3, and now 3.0.4 have all been released this month. And all three of these updates have been called critical security updates for all previous WordPress versions.
How to Update to Version 3.0.4
Updating your WordPress to the latest version is as easy as clicking “Update Automatically” in your WordPress dashboard.
Simply login to your WordPress blog and find the update info at the top of your dashboard.
Here’s the summary from the maintenance release:
- Fix moderate security issue where a malicious Author-level user could gain further access to the site. (r16625)
Other bugs and security hardening:
- Remove pingback/trackback blogroll whitelisting feature as it can easily be abused. (#13887)
- Fix canonical redirection for permalinks containing %category% with nested categories and paging. (#x13471)
- Fix occasional irrelevant error messages on plugin activation. (#15062)
- Minor XSS fixes in request_filesystem_credentials() and when deleting a plugin. (r16367, r16373)
- Clarify the license in the readme (r15534)
- Multisite: Fix the delete_user meta capability (r15562)
- Multisite: Force current_user_can_for_blog() to run map_meta_cap() even for super admins (#15122)
- Multisite: Fix ms-files.php content type headers when requesting a URL with a query string (#14450)
- Multisite: Fix the usage of the SUBDOMAIN_INSTALL constant for upgraded WordPress MU installs (#14536)
via WordPress.org