CVE-2021-38753: Simple Image Gallery Web App Project Simple Image Gallery Web App

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

An unrestricted file upload on Simple Image Gallery Web App can be exploited to upload a web shell and executed to gain unauthorized access to the server hosting the web app.

Affected products

• Simple Image Gallery Web App Project Simple Image Gallery Web App: affected versions not specified

Published 2021-08-16. Last modified 2026-06-17.