USAGE
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cd script
./check.pl http://www.targetsite.com/pagewithform.html

TODO
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Use javascript for better XSS detection.
Don't run all tests before giving results, bail out at first success.

CREDITS
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http://search.cpan.org/~miyagawa/HTML-XSSLint-0.01/lib/HTML/XSSLint.pm
http://ha.ckers.org/xss.html