Here is another update for you on wordpress and Iframe attacks above
The video below is the first video I did a few days ago:
As promised here are some links to look at:
http://www.securityfocus.com/bid/37005/info
http://www.webhostingtalk.com/showthread.php?t=904230
http://johnlagoudakis.com/blank-page-on-wordpress-fix/
It is vital that you upgrade your wordpress blogs to WordPress 2.8.6