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Re: Mouseover URL spoof with IE
From: bkfsec <bkfsec () sdf lonestar org>
Date: Thu, 10 Feb 2005 10:01:49 -0500

Martin Stricker wrote:

<a href="http://bad-site.xx/";
onmouseover="javascript:window.status='http://nice-site.xx';";>blah</a>
If you point your mouse over that link, you'll see "http://nice-site.xx";
in the status bar, but clicking will lead you to http://bad-site.xx/.
This is already widely used in spoof e-mails.

[.xx is a ccTLD which, per RFC and ISO standard, will *never* be used,
so my example domains will never exist. Just a precaution.]

As a side-note...

This action is carried out by the browser's javascript interpreter and, as such, if you use a browser (like Mozilla) where you can disable the window.status JS object, this spoofing will not work. (I'm sure that there are other ways to trick it, perhaps, but this does not work once it's disabled in the browser.)

            -Barry


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