# CVE-2025-12900: Missing authorization in FileBird – WordPress Media Library Folders & File Manager

> Authenticated attackers with author-level access can tamper with global folders and reassign media attachments due to missing authorization checks.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Dec 2025
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-q6xv-mm88-mj5g

## What is CVE-2025-12900?

CVE-2025-12900 is a medium-severity missing authorization vulnerability in ninjateam FileBird – WordPress Media Library Folders & File Manager, published on 15 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official 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.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2025-12900?


## How do I fix CVE-2025-12900?

No fix has been published for CVE-2025-12900 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-12900 being exploited?

There is no known exploitation of CVE-2025-12900 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-12900 and fix it if it is affected.

What it is: CVE-2025-12900 is a medium-severity missing authorization vulnerability in ninjateam FileBird – WordPress Media Library Folders & File Manager, published on 15 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-12900 in the wild and no public exploit code.

Affected product: ninjateam FileBird – WordPress Media Library Folders & File Manager. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-12900/ (Markdown: https://insights.sbomify.com/CVE-2025-12900/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-12900
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-12900
- OSV: https://osv.dev/vulnerability/CVE-2025-12900

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-12900/
Summaries are generated and may contain mistakes; the official description above is the record.