Auth bypass in Frontend File Manager Plugin

CVE-2026-0829

The Frontend File Manager Plugin WordPress plugin through 23.5 allows unauthenticated users to send emails through the site without any security checks. This lets attackers use the WordPress site as an open relay for spam or phishing emails to anyone. Attackers can also guess file IDs to access and share uploaded files without permission, exposing sensitive information.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-0829: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

  • Frontend File Manager Plugin — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-0829?
CVE-2026-0829 is a medium-severity vulnerability in Frontend File Manager Plugin, classified under Missing Authorization. CVSS score: 5.8/10. Published 2026-02-17.
How severe is CVE-2026-0829?
Medium severity. CVSS v3 base score is 5.8 out of 10.