CVE-2026-8378medium

CVE-2026-8378: medium-severity vulnerability in Frontend File Manager Plugin

Frontend File Manager Plugin <= 23.6 - Subscriber+ Stored Cross-Site Scripting via File Rename

Published

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.4epss 0.2%
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.
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
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Frontend File Manager Plugin

In the same product, most dangerous first.

CVE-2022-3124—Frontend File Manager < 21.3 - Unauthenticated File RenamingEPSS 8.3%CVE-2022-3125—Frontend File Manager < 21.3 - Subscriber+ Arbitrary File UploadEPSS 1.6%CVE-2023-5105—Frontend File Manager < 22.6 - Editor+ Arbitrary File DownloadEPSS 1.0%CVE-2026-0829MEDIUMFrontend File Manager Plugin <= 23.5 - Unauthenticated Arbitrary Email SendingEPSS 0.7%CVE-2026-8380MEDIUMFrontend File Manager Plugin <= 23.6 - Author+ Arbitrary Post DeletionEPSS 0.5%CVE-2026-8379HIGHFrontend File Manager Plugin <= 23.6 - Unauthenticated Arbitrary File DownloadEPSS 0.4%