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Fencer Vulns
high 7.5

CVE-2026-8379 json

Frontend File Manager Plugin <= 23.6 - Unauthenticated Arbitrary File Download

published 2026-06-23 4 mo ago modified 2026-06-23 4 mo ago also EUVD-2026-38420

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

The Frontend File Manager Plugin WordPress plugin through 23.6 does not properly enforce its nonce check on the file download handler, allowing unauthenticated attackers to download files uploaded by any user through the Frontend File Manager Plugin WordPress plugin through 23.6 by iterating identifiers.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
4 mo ago

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/71619406-19bb-437f-9538-fdf73de98827/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Unknown Frontend File Manager Plugin

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.