Auth bypass in Ninjateam Filebird – WordPress Media Library Folders & File Manager

CVE-2025-12900

The FileBird – WordPress Media Library Folders & File Manager plugin for WordPress is vulnerable to missing authorization in all versions up to, and including, 6.5.1 via the "ConvertController::insertToNewTable" function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with author level access and above, to inject global folders and reassign arbitrary media attachments to those folders under certain circumstances.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (12.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.9% 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-2025-12900: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-12900?
CVE-2025-12900 is a medium-severity vulnerability in Ninjateam Filebird – WordPress Media Library Folders & File Manager, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-12-15.
How severe is CVE-2025-12900?
Medium severity. CVSS v3 base score is 4.3 out of 10.