In case you are using Wordpress MU for any of your sites and happen to be using a version any lower than version 1.2.3 you are going to want to upgrade immediately. I was running a couple of instances of Wordpress MU 1.2.1 and there were some serious security attacks. I upgraded to 1.2.3 and everything went back to normal. I’m not exactly sure what where the vulnerabilities were, but 1.2.3 surely fixed them. Go to mu.wordpress.org to download the latest version.

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