A newly discovered URL spoofing trick can affect anyone using I.E. versions up to and including 6.0.2800.1106, and Safari for Mac. (IE version 6.0.2900, Mozilla, and Firefox are not affected.)

The way that it works is that it allows the display of one URL, while when clicked, the user is actually taken to another site. While it does not mask the real URL of the landing site up in the address bar, if misused intentionally by malicious spoofers, particularly those phishing for information, an unwary user may not note the URL in the address bar, or catch minor differences in spelling.

Here is such a redirecting URL in practice [Continued...]