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List:       full-disclosure
Subject:    [FD] CMS Made Simple SQL injection on m1_sortby parameter
From:       riccardo krauter <riccardo.krauter () gmail ! com>
Date:       2021-03-17 11:49:15
Message-ID: 05be7454-da8b-b0a5-21f8-470684a0ad2a () gmail ! com
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1) Summary

Affected software  CMS Made Simple-2.2.15
Vendor URLhttp://www.cmsmadesimple.org/  <http://www.cmsmadesimple.org/>
Vulnerability	   SQL injection

2) Vulnerability Description

The affected software is vulnerable to SQL injection via the m1_sortby POST parameter of the \
News module, reachable via the moduleinterface.php page. The `sortby` parameter is sanitized by \
replacing the `'` with the `_` character, anyway it is possible to inject arbitrary SQL \
language without using the `'`. This vulnerability is remotely exploitable and require \
authentication.  
3) PoC and details

https://github.com/beerpwn/CVE/blob/master/cms_made_simple_2021/sqli_order_by/CMS-MS-SQLi-report.md


4) Credits

This vulnerability has been discovered and reported
by Riccardo Krauter researcher @ Soter IT Security (soteritsecurity.com).

5) Timeline

2021/02/22  Vendor was informed
2021/02/26  Vendor said he won't fix
2021/03/17  Public disclosure


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