CVE-2021-24685: Flat Preloader Project Flat Preloader

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The Flat Preloader WordPress plugin before 1.5.4 does not enforce nonce checks when saving its settings, as well as does not sanitise and escape them, which could allow attackers to a make logged in admin change them with a Cross-Site Scripting payload (triggered either in the frontend or backend depending on the payload)

Affected products

Published 2021-11-01. Last modified 2026-06-17.