CVE-2021-4369: The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Content Injection in versions up to, and including, 18.2. This is due to lacking authorization protections, checks again

medium Affects nmedia-user-file-uploader (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Content Injection in versions up to, and including, 18.2. This is due to lacking authorization protections, checks again

Package
nmedia-user-file-uploader (WordPress plugin) WordPress
Affected versions
<=18.2
Fixed in
no fix recorded
Severity
medium  CVSS 5.8
Exploitation
not on CISA KEV · EPSS 1% (56.3th percentile)
Published
2023-06-07
Source
nvd

References

CWE-862
NVD recordnmedia-user-file-uploader (WordPress plugin) advisories

Am I affected?

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# then
phpwarden wordpress /var/www/html

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