Its not been mentioned here that i can tell so in keeping with my 'need' (as it will) to prod ppl into being responsible web masters:
Theres a new wordpress security issue out:
http://www.securityfocus.com/bid/21782
Its been addressed and the details of the fix are here:
http://trac.wordpress.org/changeset/4665
Its a 1 line fix and you are done, so there's hardly any excuse for not taking care of it.