CVE-2021-24663: Simple Schools Staff Directory Project Simple Schools Staff Directory

High severity, CVSS 7.2. EPSS: 1.5% chance of exploitation in the next 30 days.

The Simple Schools Staff Directory WordPress plugin through 1.1 does not validate uploaded logo pictures to ensure that are indeed images, allowing high privilege users such as admin to upload arbitrary file like PHP, leading to RCE

Affected products

• Simple Schools Staff Directory Project Simple Schools Staff Directory: up to and including 1.1

Published 2021-09-20. Last modified 2026-06-17.