Our technical team has seen few sites with the Black Hole Exploit Kits on them. It's a Russian malware/crimeware virus that attacks the person looking at the site and disable elements of the site.
1. It has been advised that you update Wordpress OFTEN ~ http://poweredbyearthgirl. com/blog/got-wordpress-check- for-updates/
2. If you're not using an antivirus program, we STRONGLY advise you do so to protect yourself and your site. We recommned this antivirus program - It's $50/yr. -- http://www.avg.com/us-en/ internet-security
4. Our technical team are running checks on both servers right now, so far only 2 infected sites.
5. BACK UP YOUR SITE TO YOUR COMPUTER TODAY - here's a tutorial on how to backup your site if you have not done this before - http://tutorials.earthgirlhosting.com/inc/content.php?q=/videos/cpanel-whm/cpanel/x/m/Backing-up-your-account.php
Again we do not want to alarm you just to make you aware this hacker is out there. PLEASE take precautions and backup your site today!