CVE-2026-8379 | Frontend File Manager Plugin <= 23.6 - Unauthenticated Arbitrary File Download

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.

Published: 2026-06-23 Last update: 2026-06-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2026-8379 is rated Low Risk (35.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.24%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-8379

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-24 0.14% 0.24% +0.10%
2 2026-06-23 0.14%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-8379

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2026-8379

GitHub Security Advisory for CVE-2026-8379

GHSA-9v4r-j6qw-wjw2 · Severity: high — The Frontend File Manager Plugin WordPress plugin through 23.6 does not properly enforce its...

Affected software / configurations for CVE-2026-8379

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2026-8379

cvelogic Threat Intelligence