How severe is CVE-2025-12900?

CVE-2025-12900 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-12900 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12900?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-12900 have an EU (EUVD) identifier?

Yes. CVE-2025-12900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203366.

When was CVE-2025-12900 published?

CVE-2025-12900 was published on 2025-12-15 and last updated on 2026-06-17.

CVE-2025-12900

CVE-2025-12900 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203366
Weakness: CWE-862
Published: 2025-12-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-12900?: CVE-2025-12900 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-12900 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12900?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12900 have an EU (EUVD) identifier?: Yes. CVE-2025-12900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203366.
When was CVE-2025-12900 published?: CVE-2025-12900 was published on 2025-12-15 and last updated on 2026-06-17.

References

Other CWE-862 (Missing Authorization) vulnerabilities

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CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.

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