Email a copy of "WordPress 2.1.1 dangerous, Upgrade to 2.1.2" to a friend.
Long story short: 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!
It was determined that a cracker had gained user-level access to one of the servers that powers wordpress.org, and had used that...