Wordpress just released a security update on its infamous blog platform in the net. This update fixes some security issues and other XML-RPC issues.

There are also minor issues on XSS that was fixed on this release.  It also made a proactive full sweep of the WordPress codebase to protect against future problems.

More information on their official site here http://wordpress.org/development/2007/04/wordpress-213-and-2010/

There is also a release update on 2.0 version. This is the 2.0.10. Be sure to update your wordpress blog. This is highly recommended update.