CVE-2026-8378

Description

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, leading to a Stored Cross-Site Scripting vulnerability exploitable by users with Subscriber-level access and above against an administrator viewing the file management interface.

PUBLISHED Reserved 2026-05-12 | Published 2026-06-23 | Updated 2026-06-23 | Assigner WPScan

Problem types

CWE-79 Cross-Site Scripting (XSS)

Product status

Credits

Mohamad Nour Almujarkesh finder

WPScan coordinator

References

wpscan.com/...rability/19f5dd94-b16c-4ad2-9586-d15ddecf9805/ exploit vdb-entry technical-description

cve.org (CVE-2026-8378)

nvd.nist.gov (CVE-2026-8378)

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