CVE-2021-47918: Simplephpscripts Simple CMS PHP

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Simple CMS 2.1 contains a remote SQL injection vulnerability that allows privileged attackers to inject unfiltered SQL commands in the users module. Attackers can exploit unvalidated input parameters in the admin.php file to compromise the database management system and web application.

Affected products

• Simplephpscripts Simple CMS PHP: version 2.1 only

Published 2026-02-01. Last modified 2026-06-17.