WordPress comment SQL injection attempt

Red rock layersI have comment moderation turned on for most of the blog sites I manage. As a result, if someone new comes in and posts a comment, I get a nice email letting me know that I need to approve it. Yesterday, I got one that said this:

Author : Bill366758271','258878095billy@msn.com','','','2008-03-11 22:28:47','2008-03-11 22:28:47','','0','lynx','comment','0','0'),('0', '', '', '', '', '2008-03-12 22:28:47', '2008-03-12 22:28:47', '', 'spam', '', 'comment', '0','0' ) /* (IP: ,
E-mail :
URL : http://None
Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=

It looks like they were trying to bypass the comment approval process with an SQL injection attack. I’m not sure which versions of WordPress are vulnerable, but I’m sure there are some older ones that are.

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