Is nmedia-user-file-uploader (WordPress plugin) vulnerable?

WordPress nmedia-user-file-uploader has 5 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

5advisories
2critical
0on CISA KEV
5no fix recorded
CVETitleSeverityCVSSAffectedFixed in
CVE-2021-4368The Frontend File Manager plugin for WordPress is vulnerable to Authenticated Settings Change in versions up to, and including, 18.2. This icritical9.9<=18.2–
CVE-2021-4356The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Arbitrary File Download in versions up to, and including, critical9.0<=18.2–
CVE-2021-4359The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Arbitrary Post Deletion in versions up to, and including, 18medium6.5<=18.2–
CVE-2021-4369The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Content Injection in versions up to, and including, 18.2. Thmedium5.8<=18.2–
CVE-2021-4365The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting in versions up to, and includinghigh7.2<=18.2–

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.

Install docs   How findings are ranked
A version is vulnerable when it falls inside an affected range and below the fixed version. phpwarden applies these ranges to the exact versions in your lockfile or install, so you only see what applies to you.