CVE-2021-24563: Frontend Uploader Project Frontend Uploader

Medium severity, CVSS 6.1. EPSS: 26.4% chance of exploitation in the next 30 days.

The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly

Affected products

• Frontend Uploader Project Frontend Uploader: up to and including 1.3.2

Published 2021-10-11. Last modified 2026-06-17.