Is all-404-redirect-to-homepage (WordPress plugin) vulnerable?

WordPress all-404-redirect-to-homepage has 2 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

2advisories
0critical
0on CISA KEV
1no fix recorded
CVETitleSeverityCVSSAffectedFixed in
CVE-2021-24326The tab parameter of the settings page of the All 404 Redirect to Homepage WordPress plugin before 1.21 was vulnerable to an authenticated rmedium5.4<1.211.21
CVE-2021-24324The 404 SEO Redirection WordPress plugin through 1.3 is lacking CSRF checks in all its settings, allowing attackers to make a logged in usermedium6.5<=1.3–

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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