WordPress 2.2.1 closes three security holes

If you are using WordPress on your website, it’s time to upgrade the installations to version 2.2.1.

This recently released update not only fixes a number of simple bugs, but also closes three security holes.

Some of the highlighted fixes in this release:

Atom feed validation fixes
XML-RPC fixes
Widget backward compatibility fixes
Widget layout fixes for IE7
Page and Text Widget improvements

Three major bugs fixed in this release:

Remote shell injection in PHPMailer
Remote SQL injection in XML-RPC
Unescaped attribute in default theme

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