The Wordpress 2.1.1 distribution was cracked recently and a couple of files were tampered with. The malicious version was only online for a few days; the original version was safe. But if you’ve installed and are running Wordpress 2.1.1, the Wordpress maintainers strongly advise that you update to version 2.1.2 instead. Check the link below for their report.

The CVS distribution is intact, so if you installed from it you’re safe.

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