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Security agains XSS Attacks

Posted on 2015-02-03
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Last Modified: 2015-10-29
This is a test of the file-upload security at E-E.  If the file-upload allows XSS attacks, this file should make that obvious.  Similarly, if the file-upload process is properly secured, this should be obvious, too.evil.php
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Question by:Ray Paseur
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btan earned 2000 total points
ID: 40588555
good thing is that this test file and EE also make it none "executable" as it always render it as textual (non binary) reading. So simply click just show the text content of it. However if the file is some executable (by default not allowed for upload) or the rendering engine has vulnerability due to not proper validation done (e.g. buffer overflow), likely that can change the story...just some (wild) thoughts  :)

another example is clickjacking using some sort of code
<html>
   <head>
     <title>Clickjack test page</title>
   </head>
   <body>
     <p>Website is vulnerable to clickjacking!</p>
     <iframe src="http://www.target.site" width="500" height="500"></iframe>
   </body>
</html>

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LVL 111

Author Closing Comment

by:Ray Paseur
ID: 41144266
Thanks - time to close this and move on :-)
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LVL 64

Expert Comment

by:btan
ID: 41147048
Thanks Ray!
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