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Cross Site Scripting exploitation via malformed files Feb 21 2005 04:25PM
Jerome ATHIAS (jerome athias free fr)


It was publicly released on different forums (http://cyruxnet.org/foro/viewtopic.php?t=559); multiple webmail systems and websites are vulnerable to Cross Site Scripting via a malformed file.

A basic PoC :

Build a text file (ie: photo.txt)

<script language="Javascript">
alert('Vulnerable!');...

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