What is CVE-2026-8378?

CVE-2026-8378 is a medium-severity vulnerability in Frontend File Manager Plugin, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2026-06-23.

How severe is CVE-2026-8378?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Frontend File Manager Plugin

CVE-2026-8378

The Frontend File Manager Plugin WordPress plugin through 23.6 does not sanitise nor escape a filename submitted to the frontend file-rename endpoint before storing it as post meta and rendering it back on the admin File Manager listing, l…

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Unknown Frontend File Manager Plugin — versions 0

References

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

Frequently asked questions

What is CVE-2026-8378?: CVE-2026-8378 is a medium-severity vulnerability in Frontend File Manager Plugin, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2026-06-23.
How severe is CVE-2026-8378?: Medium severity. CVSS v3 base score is 5.4 out of 10.