Get your wordpress blog patch up with this new release from the wordpress development. Wordpress 2.2.3 is out to public. There some security and bug release fixes on previous wordpress 2.2.2 version.

It is strongly suggest to upgrade you wordpress powered blogs. Better to upgrade than sorry for possible attack. One of which from the bug tracking

Users without unfiltered_html capability can post arbitrary html anonymous defect high Security 2.2.2

Thanks to the development for bringing yet another update.