# CVE-2021-42367: Variation Swatches for WooCommerce <= 2.1.1 Authenticated Stored Cross-Site Scripting

> Low-level authenticated users can inject arbitrary web scripts via missing authorization checks in the Variation Swatches for WooCommerce plugin.

- **Severity:** Medium 6.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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:** 14 Dec 2021
- **Updated:** 13 Feb 2025
- **Also known as:** GHSA-6ffh-2qg3-m72q

## What is CVE-2021-42367?

CVE-2021-42367 is a medium-severity cross-site scripting vulnerability in Variation Swatches for WooCommerce, published on 14 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Variation Swatches for WooCommerce WordPress plugin is vulnerable to Stored Cross-Site Scripting via several parameters found in the ~/includes/class-menu-page.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.1.1. Due to missing authorization checks on the tawcvs_save_settings function, low-level authenticated users such as subscribers can exploit this vulnerability.

Weakness: CWE-862 (Missing Authorization), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2021-42367?

It affects 1 product.


Products: Variation Swatches for Woocommerce Project Variation Swatches for Woocommerce.

## How do I fix CVE-2021-42367?

No fix has been published for CVE-2021-42367 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-42367 being exploited?

There is no known exploitation of CVE-2021-42367 in the wild and no public exploit code.

## Other vulnerabilities in Variation Swatches for WooCommerce

- [CVE-2023-37975](https://insights.sbomify.com/CVE-2023-37975/): WordPress Variation Swatches for WooCommerce Plugin <= 2.3.7 is vulnerable to Cross Site Scripting (XSS) (high 7.1)
- [CVE-2024-13511](https://insights.sbomify.com/CVE-2024-13511/): Variation Swatches for WooCommerce 1.0.8 - 1.3.2 - Cross-Site Request Forgery to Plugin Settings Reset (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-42367 and fix it if it is affected.

What it is: CVE-2021-42367 is a medium-severity cross-site scripting vulnerability in Variation Swatches for WooCommerce, published on 14 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-42367 in the wild and no public exploit code.

Affected product: Variation Swatches for WooCommerce. 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-2021-42367/ (Markdown: https://insights.sbomify.com/CVE-2021-42367/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-42367
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-42367
- OSV: https://osv.dev/vulnerability/CVE-2021-42367

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-42367/
Summaries are generated and may contain mistakes; the official description above is the record.