# CVE-2023-6876: Missing authorization in Clever Fox

> Authenticated subscribers can arbitrarily change the active theme, potentially causing site downtime due to missing capability checks.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L`)
- **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:** 7 Jun 2024
- **Updated:** 8 Apr 2026
- **Also known as:** CVE-2024-1980, GHSA-8hc9-25rc-xh43

## What is CVE-2023-6876?

CVE-2023-6876 is a medium-severity missing authorization vulnerability in nayrathemes Clever Fox, published on 7 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Clever Fox – One Click Website Importer by Nayra Themes plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'clever-fox-activate-theme' function in all versions up to, and including, 25.2.0. This makes it possible for authenticated attackers, with subscriber access and above, to modify the active theme, including to an invalid value which can take down the site.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2023-6876?

It affects 1 product.


Products: Nayrathemes Clever Fox.

## How do I fix CVE-2023-6876?

No fix has been published for CVE-2023-6876 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6876 being exploited?

There is no known exploitation of CVE-2023-6876 in the wild and no public exploit code.

## Other vulnerabilities in nayrathemes Clever Fox

- [CVE-2024-1768](https://insights.sbomify.com/CVE-2024-1768/): Clever Fox <= 25.2.0 - Authenticated (Contributor+) Stored Cross-Site Scripting (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6876 and fix it if it is affected.

What it is: CVE-2023-6876 is a medium-severity missing authorization vulnerability in nayrathemes Clever Fox, published on 7 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-2023-6876 in the wild and no public exploit code.

Affected product: nayrathemes Clever Fox. 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-2023-6876/ (Markdown: https://insights.sbomify.com/CVE-2023-6876/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6876
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6876
- OSV: https://osv.dev/vulnerability/CVE-2023-6876

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6876/
Summaries are generated and may contain mistakes; the official description above is the record.