# CVE-2022-4047: Return Refund and Exchange For WooCommerce < 4.0.9 - Unauthenticated Arbitrary File Upload

> Unauthenticated attackers can upload arbitrary files, including PHP, leading to remote code execution on sites using the Return Refund and Exchange For WooCommerce plugin.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Dec 2022
- **Updated:** 14 Apr 2025
- **Also known as:** GHSA-3j85-6864-55p3

## What is CVE-2022-4047?

CVE-2022-4047 is a critical vulnerability in Unknown Return Refund and Exchange For WooCommerce, published on 26 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Return Refund and Exchange For WooCommerce WordPress plugin before 4.0.9 does not validate attachment files to be uploaded via an AJAX action available to unauthenticated users, which could allow them to upload arbitrary files such as PHP and lead to RCE

## Which versions are affected by CVE-2022-4047?

It affects 1 product.


Products: Wpswings Return Refund and Exchange for Woocommerce.

## How do I fix CVE-2022-4047?

No fix has been published for CVE-2022-4047 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-4047 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4047 exists.

Public exploit code:

- Automatic Mass Tool for check and exploiting vulnerability in CVE-2022-4047 - Return Refund and Exchange For WooCommerce < 4.0.9 - Unauthenticated Arbitrary File Upload (github_poc): https://github.com/im-hanzou/WooRefer
- CVE-2022-4047 poc (github_poc): https://github.com/entroychang/CVE-2022-4047

## Other vulnerabilities in Unknown Return Refund and Exchange For WooCommerce

- [CVE-2024-13641](https://insights.sbomify.com/CVE-2024-13641/): Information disclosure in Return Refund and Exchange For WooCommerce (medium 5.9)
- [CVE-2024-13692](https://insights.sbomify.com/CVE-2024-13692/): Return Refund and Exchange For WooCommerce <= 4.4.5 - Authenticated (Subscriber+) Insecure Direct Object Reference (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-4047 and fix it if it is affected.

What it is: CVE-2022-4047 is a critical vulnerability in Unknown Return Refund and Exchange For WooCommerce, published on 26 Dec 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-2022-4047 exists.

Affected product: Unknown Return Refund and Exchange For WooCommerce. 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-2022-4047/ (Markdown: https://insights.sbomify.com/CVE-2022-4047/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-4047
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-4047
- OSV: https://osv.dev/vulnerability/CVE-2022-4047

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-4047/
Summaries are generated and may contain mistakes; the official description above is the record.