Is simple-301-redirects (WordPress plugin) vulnerable?

WordPress simple-301-redirects has 5 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

5advisories
0critical
0on CISA KEV
0no fix recorded
CVETitleSeverityCVSSAffectedFixed in
CVE-2021-24356In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, a lack of capability checks and insufficient nonce check on the AJhigh8.8>=2.0.0 and <2.0.42.0.4
CVE-2021-24354A lack of capability checks and insufficient nonce check on the AJAX action in the Simple 301 Redirects by BetterLinks WordPress plugin befohigh8.8>=2.0.0 and <2.0.42.0.4
CVE-2021-24352The export_data function of the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4 had no capability or nonce checks making ihigh8.8>=2.0.0 and <2.0.42.0.4
CVE-2021-24353The import_data function of the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4 had no capability or nonce checks making ihigh8.8>=2.0.0 and <2.0.42.0.4
CVE-2021-24355In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability checks and insufficient nonce check on the medium4.3>=2.0.0 and <2.0.42.0.4

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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