[MajorSecurity #13]Cabacos Web CMS<= 3.8 - XSS

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Software: Cabacos Web CMS


Version: <=3.8.498


Type: Cross site scripting


Date: June, 10th 2006


Vendor: IT-Direkt


Page: http://www.cabacos-web-cms.de



Credits:

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Discovered by: David "Aesthetico" Vieira-Kurz

http://www.majorsecurity.de


Original Advisory:

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http://www.majorsecurity.de/advisory/major_rls13.txt


Affected Products:

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Cabacos Web CMS 3.8.498 and prior


Description:

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Cabacos Web CMS is a well known and commercial Content Management System.


Requirements:

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register_globals = On


Vulnerability:

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Input passed to the searchform input fields is not properly sanitised before 
being returned to the user.

This can be exploited to execute arbitrary HTML and script code in context of 
an affected site.



Solution:

----------------------------

Edit the source code to ensure that input is properly sanitised.

You should work with "htmlspecialchars()" or "strip_tags()" php-function to 
ensure that html tags

are not going to be executed.


Example:

<?php

  echo htmlspecialchars("<script");

?>


Set "register_globals" to "Off".


Exploitation:

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Goto the searchform input fields and type in following line as searchword:


<script>alert("MajorSecurity")</script>


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