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Re: Let's exploit this
From: mikeiscool <michaelslists () gmail com>
Date: Thu, 3 Aug 2006 11:03:21 +1000

On 8/3/06, Tim <tim-pentest () sentinelchicken org> wrote:
> Off the top of my head, I would put in an extra backslash, so that it
> would look like:
> myFunc('Nancy\\'); alert('xss'); ('s', 'hamster');

You've got the gist of it, but remember that all ' get backslashed.
You'd probably want to avoid further apostrophes after the first you
used to break out, or add the extra backslash in a way that won't screw
up your exploit code.

if you don't care about a js error you can even just end the script
block and start again [assuming, of course, that we are actually
_inside_ a script block and not a href or something similar]

like so: FOO = '</script><script>alert("extra script blocks are
cool.")</script><script>//'

sure, you'll get one js error, but it doesn't really matter, as your
code will still run.

-- mic

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