Re: User Agent XSS anyone?

[Robin Wood <dninja () gmail com>]

2009/4/22 Zack Payton <zpayton () gmail com>:
> Hi all,
>
> I was just curios if anyone was aware of any interesting ways to
> exploit user-agent based xss.
> I suppose it would be easy in conjunction with HTTP response
> splitting, but is anyone aware of any other vectors beside those
> present in custom browser extensions?
> I am interested in hearing about all vectors though, even those in
> custom browser extensions.

I've seen visitor log viewers that display the UA, if they don't
sanitize the output correctly then you could get persistent XSS in
through that. At that point it is the same as any other XSS.

Robin

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