CVE-2020-18660: Get-Simple Getsimplecms

Medium severity, CVSS 6.1. EPSS: 1.3% chance of exploitation in the next 30 days.

GetSimpleCMS <=3.3.15 has an open redirect in admin/changedata.php via the redirect function to the url parameter.

Affected products

• Get-Simple Getsimplecms: up to and including 3.3.15

Published 2021-06-23. Last modified 2026-06-17.