> I was wondering, if it's possible to do XSS attacks through 
> frames?  Say can one frame of a page access and modify stuff 
> on the other frame?  Can the frameset document? 

Yes, and yes. However, being able to have JavaScript in one frame manipulate
the contents of another frame is not, by itself, an XSS attack. Typically,
for an XSS attack to be successful, you'd have to trick a server-side script
into accepting executable JavaScript within an input, and placing that
JavaScript within a page viewed by someone else. If my browser contains a
frameset, there's no attack using both frames that wouldn't work just as
well with just one frame or the other.

Dave Watts, CTO, Fig Leaf Software
http://www.figleaf.com/

Fig Leaf Software provides the highest caliber vendor-authorized
instruction at our training centers in Washington DC, Atlanta,
Chicago, Baltimore, Northern Virginia, or on-site at your location.
Visit http://training.figleaf.com/ for more information!


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