For those bloggers out there that are running off the shelf WordPress installations I should point out that there was a new version released yesterday to address a security problem.
From WordPress:
If you have registration enabled a flaw was found in the XML-RPC implementation such that a specially crafted request would allow a user to edit posts of other users on that blog.
To get the latest code release follow the link.
[tags]Wordpress, WordPress Security[/tags]