# CVE-2023-51421: WordPress Verge3D Plugin <= 4.5.2 is vulnerable to Arbitrary File Upload

> Attackers can upload malicious files to execute arbitrary code on WordPress sites using the Verge3D plugin.

- **Severity:** Critical 9.9 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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:** 29 Dec 2023
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-m4vm-4pp6-pqj9

## What is CVE-2023-51421?

CVE-2023-51421 is a critical vulnerability in Soft8Soft LLC Verge3D Publishing and E-Commerce, published on 29 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Unrestricted Upload of File with Dangerous Type vulnerability in Soft8Soft LLC Verge3D Publishing and E-Commerce.This issue affects Verge3D Publishing and E-Commerce: from n/a through 4.5.2.

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

## Which versions are affected by CVE-2023-51421?

It affects 1 product.


Products: Soft8soft Verge3d.

## How do I fix CVE-2023-51421?

No fix has been published for CVE-2023-51421 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-51421 being exploited?

There is no known exploitation of CVE-2023-51421 in the wild and no public exploit code.

## Other vulnerabilities in Soft8Soft LLC Verge3D Publishing and E-Commerce

- [CVE-2023-51420](https://insights.sbomify.com/CVE-2023-51420/): WordPress Verge3D Plugin <= 4.5.2 is vulnerable to Remote Code Execution (RCE) (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-51421 and fix it if it is affected.

What it is: CVE-2023-51421 is a critical vulnerability in Soft8Soft LLC Verge3D Publishing and E-Commerce, published on 29 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-51421 in the wild and no public exploit code.

Affected product: Soft8Soft LLC Verge3D Publishing and E-Commerce. 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-2023-51421/ (Markdown: https://insights.sbomify.com/CVE-2023-51421/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-51421
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-51421
- OSV: https://osv.dev/vulnerability/CVE-2023-51421

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-51421/
Summaries are generated and may contain mistakes; the official description above is the record.