Wordpress is vulnerable to a very dirty exploit right now. There’s a resource exhaustion DoS that is floating around the public right now. It’s a vulnerability in wp-trackbacks.php that hurts. even worst is it could get u kicked of ur hosting for heavy resource usage Here’s the results from a quick test against my server: 21:30:29 up 21 days, 1:06, 19 users, load average: 49.06, 27.11, 19.24 Very dirty. Wordpress is still to release any updates about how to fix , but i found something . hope it helps visit thread and find out more New 0-Day Exploit For Wordpress