# CVE-2021-4366: PWA for WP & AMP < = 1.7.32 - Missing Authorization

> Authenticated attackers can modify restricted plugin settings due to a missing capability check in the PWA for WP & AMP WordPress plugin.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-xg55-gx79-h9h6

## What is CVE-2021-4366?

CVE-2021-4366 is a medium-severity missing authorization vulnerability in magazine3 PWA for WP – Progressive Web Apps Made Simple, published on 7 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The PWA for WP & AMP plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the  pwaforwp_update_features_options function in versions up to, and including, 1.7.32. This makes it possible for authenticated attackers to change the otherwise restricted settings within the plugin.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2021-4366?

It affects 1 product.


Products: Magazine3 Pwa for Wp \& Amp.

## How do I fix CVE-2021-4366?

No fix has been published for CVE-2021-4366 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-4366 being exploited?

There is no known exploitation of CVE-2021-4366 in the wild and no public exploit code.

## Other vulnerabilities in magazine3 PWA for WP – Progressive Web Apps Made Simple

- [CVE-2021-4354](https://insights.sbomify.com/CVE-2021-4354/): PWA for WP & AMP <= 1.7.32 - Arbitrary File Upload (high 8.8)
- [CVE-2024-7759](https://insights.sbomify.com/CVE-2024-7759/): PWA For WP & AMP < 1.7.72 Administrator+ Stored XSS (medium 4.8)
- [CVE-2024-47318](https://insights.sbomify.com/CVE-2024-47318/): WordPress PWA for WP & AMP plugin <= 1.7.72 - Broken Access Control vulnerability (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-4366 and fix it if it is affected.

What it is: CVE-2021-4366 is a medium-severity missing authorization vulnerability in magazine3 PWA for WP – Progressive Web Apps Made Simple, published on 7 Jun 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-2021-4366 in the wild and no public exploit code.

Affected product: magazine3 PWA for WP – Progressive Web Apps Made Simple. 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-2021-4366/ (Markdown: https://insights.sbomify.com/CVE-2021-4366/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-4366
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-4366
- OSV: https://osv.dev/vulnerability/CVE-2021-4366

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-4366/
Summaries are generated and may contain mistakes; the official description above is the record.