# CVE-2023-6846: File Manager Pro <= 8.3.4 - Authenticated (Subscriber+) Arbitrary File Upload

> Authenticated subscribers can upload arbitrary files to execute code on the server via the File Manager Pro plugin.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **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:** 5 Feb 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-m285-497c-62j9

## What is CVE-2023-6846?

CVE-2023-6846 is a high-severity vulnerability in File Manager Pro, published on 5 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The File Manager Pro plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 8.3.4 via the mk_check_filemanager_php_syntax AJAX function. This makes it possible for authenticated attackers, with subscriber access and above, to execute code on the server. Version 8.3.5 introduces a capability check that prevents users lower than admin from executing this function.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type), CWE-94 (Improper Control of Generation of Code)

## Which versions are affected by CVE-2023-6846?

It affects 1 product.


Products: Filemanagerpro File Manager.

## How do I fix CVE-2023-6846?

No fix has been published for CVE-2023-6846 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6846 being exploited?

There is no known exploitation of CVE-2023-6846 in the wild and no public exploit code.

## Other vulnerabilities in File Manager Pro

- [CVE-2020-25213](https://insights.sbomify.com/CVE-2020-25213/): WordPress File Manager Plugin Remote Code Execution (critical 10.0, exploited in the wild)
- [CVE-2018-25105](https://insights.sbomify.com/CVE-2018-25105/): File Manager <= 3.0 - Unauthenticated Arbitrary File Upload/Download (critical 9.8)
- [CVE-2024-8507](https://insights.sbomify.com/CVE-2024-8507/): File Manager Pro <= 8.3.9 - Cross-Site Request Forgery to Arbitrary File Upload (high 8.8)
- [CVE-2024-1538](https://insights.sbomify.com/CVE-2024-1538/): File Manager <= 7.2.4 - Cross-Site Request Forgery to Local JS File Inclusion (high 8.8)
- [CVE-2018-16966](https://insights.sbomify.com/CVE-2018-16966/): Cross-site request forgery in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6846 and fix it if it is affected.

What it is: CVE-2023-6846 is a high-severity vulnerability in File Manager Pro, published on 5 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-6846 in the wild and no public exploit code.

Affected product: File Manager Pro. 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-2023-6846/ (Markdown: https://insights.sbomify.com/CVE-2023-6846/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6846
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6846
- OSV: https://osv.dev/vulnerability/CVE-2023-6846

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6846/
Summaries are generated and may contain mistakes; the official description above is the record.