# CVE-2023-23639: WordPress MainWP Staging Extension Plugin <= 4.0.3 - Subscriber+ Arbitrary Plugin Activation Vulnerability

> Attackers with subscriber access can arbitrarily activate plugins due to missing authorization checks in the MainWP Staging Extension.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N`)
- **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:** 9 Jun 2024
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-q6j2-pqw2-446h

## What is CVE-2023-23639?

CVE-2023-23639 is a medium-severity missing authorization vulnerability in MainWP Staging Extension, published on 9 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Missing Authorization vulnerability in MainWP MainWP Staging Extension.This issue affects MainWP Staging Extension: from n/a through 4.0.3.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2023-23639?

It affects 1 product.


Products: Mainwp Staging Extension.

## How do I fix CVE-2023-23639?

No fix has been published for CVE-2023-23639 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-23639 being exploited?

There is no known exploitation of CVE-2023-23639 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-23639 and fix it if it is affected.

What it is: CVE-2023-23639 is a medium-severity missing authorization vulnerability in MainWP Staging Extension, published on 9 Jun 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-2023-23639 in the wild and no public exploit code.

Affected product: MainWP Staging Extension. 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-2023-23639/ (Markdown: https://insights.sbomify.com/CVE-2023-23639/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-23639
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-23639
- OSV: https://osv.dev/vulnerability/CVE-2023-23639

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-23639/
Summaries are generated and may contain mistakes; the official description above is the record.