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[MajorSecurity #11]OpenCMS<= 6.2.1 - XSS
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Software: OpenCMS
Version: <=6.2.1
Type: Cross site scripting
Date: June, 10th 2006
Vendor: Alkacon Software GmbH
Page: http://www.alkacon.com
http://www.opencms.org/opencms/en/
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_rls11.txt
Affected Products:
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OpenCMS 6.2.1 and prior
Description:
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OpenCms is a professional level Open Source Website Content Management System.
Requirements:
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register_globals = On
Vulnerability:
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Input passed to the search inputbox/query is not properly verified.
This can be exploited to accomplish cross site sctipting attacks.
Solution:
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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 search query/inputbox and type in following line as searchword:
<script>alert("MajorSecurity")</script>
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