# CVE-2022-40721: File upload in CreativeDream file uploader

> An arbitrary file upload vulnerability in the CreativeDream PHP uploader allows attackers to upload malicious files, potentially leading to remote code execution.

- **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:** 3 Oct 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-g354-76gx-4q65

## What is CVE-2022-40721?

CVE-2022-40721 is a critical vulnerability in CreativeDream file uploader, published on 3 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Arbitrary file upload vulnerability in php uploader

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

## Which versions are affected by CVE-2022-40721?

It affects 1 product.


Products: Creativedream File Uploader Project Creativedream File Uploader.

## How do I fix CVE-2022-40721?

No fix has been published for CVE-2022-40721 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-40721 being exploited?

There is no known exploitation of CVE-2022-40721 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-40721 and fix it if it is affected.

What it is: CVE-2022-40721 is a critical vulnerability in CreativeDream file uploader, published on 3 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-40721 in the wild and no public exploit code.

Affected product: CreativeDream file uploader. 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-2022-40721/ (Markdown: https://insights.sbomify.com/CVE-2022-40721/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-40721
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-40721
- OSV: https://osv.dev/vulnerability/CVE-2022-40721

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-40721/
Summaries are generated and may contain mistakes; the official description above is the record.