# CVE-2022-2356: User Private Files < 1.1.3 - Subscriber+ Arbitrary File Upload

> Subscribers can upload malicious files due to missing extension filtering, potentially leading to remote code execution on the WordPress site.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Aug 2022
- **Updated:** 23 Jun 2026
- **Also known as:** GHSA-r7g6-6vgc-xh4c

## What is CVE-2022-2356?

CVE-2022-2356 is a medium-severity vulnerability in Unknown Frontend File Manager & Sharing – User Private Files, published on 8 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Frontend File Manager & Sharing WordPress plugin before 1.1.3 does not filter file extensions when letting users upload files on the server, which may lead to malicious code being uploaded.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2022-2356?

It affects 1 product.


Products: Mediajedi User Private Files.

## How do I fix CVE-2022-2356?

No fix has been published for CVE-2022-2356 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-2356 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-2356 exists.

## Other vulnerabilities in Unknown Frontend File Manager & Sharing – User Private Files

- [CVE-2024-7848](https://insights.sbomify.com/CVE-2024-7848/): User Private Files <= 2.1.0 - Insecure Direct Object Reference to Authenticated (Subscriber+) Private File Access (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-2356 and fix it if it is affected.

What it is: CVE-2022-2356 is a medium-severity vulnerability in Unknown Frontend File Manager & Sharing – User Private Files, published on 8 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-2356 exists.

Affected product: Unknown Frontend File Manager & Sharing – User Private Files. 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-2022-2356/ (Markdown: https://insights.sbomify.com/CVE-2022-2356/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-2356
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-2356
- OSV: https://osv.dev/vulnerability/CVE-2022-2356

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-2356/
Summaries are generated and may contain mistakes; the official description above is the record.