Is wp-upload-restriction (WordPress plugin) vulnerable?

WordPress wp-upload-restriction has 3 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

3advisories
0critical
0on CISA KEV
3no fix recorded
CVETitleSeverityCVSSAffectedFixed in
CVE-2021-34627A vulnerability in the getSelectedMimeTypesByRole function of the WP Upload Restriction WordPress plugin allows low-level authenticated usermedium4.3<=2.2.3–
CVE-2021-34626A vulnerability in the deleteCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to deletmedium4.3<=2.2.3–
CVE-2021-34625A vulnerability in the saveCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to inject medium6.4<=2.2.3–

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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