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
