I know some of my readers use WordPress, so I thought I'd pass this on:
"If you downloaded WordPress 2.1.1 within the past 3-4 days, your files may include a security exploit that was added by a cracker, and you should upgrade all of your files to 2.1.2 immediately."
Seems that someone busted into the server, altered the files so that any WordPress installs of that version were easily hijacked to run malicious code.
Most of you probably won't be affected, but there are folks who regularly update their software to take advantage of bug fixes and new features. If you know anyone who's running WordPress, pass the word on.
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