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.

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

EPSS: 0.007 (48.8th percentile) — read the EPSS interpretation.

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.

Affected products

Unknown Frontend File Manager Plugin — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

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.