CVE-2021-24354: Wpdeveloper Simple 301 Redirects

High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days.

A lack of capability checks and insufficient nonce check on the AJAX action in the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, made it possible for authenticated users to install arbitrary plugins on vulnerable sites.

Affected products

• Wpdeveloper Simple 301 Redirects: from 2.0.0, before 2.0.4 (fixed in 2.0.4)

Published 2021-06-14. Last modified 2026-06-17.