# CVE-2023-51670: WordPress FunnelKit Checkout plugin <= 3.10.3 - Authenticated Arbitrary Plugin Activation vulnerability

> Authenticated attackers can arbitrarily activate plugins due to missing authorization checks in the FunnelKit Checkout plugin.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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:** 12 Jun 2024
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-mh63-325c-chrf

## What is CVE-2023-51670?

CVE-2023-51670 is a medium-severity missing authorization vulnerability in FunnelKit Checkout, published on 12 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Missing Authorization vulnerability in FunnelKit FunnelKit Checkout.This issue affects FunnelKit Checkout: from n/a through 3.10.3.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2023-51670?

It affects 1 product.


Products: Funnelkit Funnelkit Checkout.

## How do I fix CVE-2023-51670?

No fix has been published for CVE-2023-51670 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-51670 being exploited?

There is no known exploitation of CVE-2023-51670 in the wild and no public exploit code.

## Other vulnerabilities in FunnelKit Checkout

- [CVE-2023-51671](https://insights.sbomify.com/CVE-2023-51671/): WordPress FunnelKit Checkout plugin <= 3.10.3 - Authenticated Plugin Settings Change vulnerability (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-51670 and fix it if it is affected.

What it is: CVE-2023-51670 is a medium-severity missing authorization vulnerability in FunnelKit Checkout, published on 12 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-2023-51670 in the wild and no public exploit code.

Affected product: FunnelKit Checkout. 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-2023-51670/ (Markdown: https://insights.sbomify.com/CVE-2023-51670/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-51670
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-51670
- OSV: https://osv.dev/vulnerability/CVE-2023-51670

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-51670/
Summaries are generated and may contain mistakes; the official description above is the record.