# CVE-2022-4004: Donation Button <= 4.0.0 - Subscriber+ Broken Access Control leading to SMS Spam

> Subscribers can exploit missing authorization checks to send arbitrary SMS messages via the plugin's Twilio integration.

- **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 Dec 2022
- **Updated:** 22 Apr 2025
- **Also known as:** GHSA-48rf-c53v-4537

## What is CVE-2022-4004?

CVE-2022-4004 is a medium-severity missing authorization vulnerability in Unknown Donation Button, published on 12 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Donation Button WordPress plugin through 4.0.0 does not properly check for privileges and nonce tokens in its "donation_button_twilio_send_test_sms" AJAX action, which may allow any users with an account on the affected site, like subscribers, to use the plugin's Twilio integration to send SMSes to arbitrary phone numbers.

## Which versions are affected by CVE-2022-4004?

It affects 1 product.


Products: Donation Button Project Donation Button.

## How do I fix CVE-2022-4004?

No fix has been published for CVE-2022-4004 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-4004 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4004 exists.

## Other vulnerabilities in Unknown Donation Button

- [CVE-2022-4005](https://insights.sbomify.com/CVE-2022-4005/): Donation Button <= 4.0.0 - Contributor+ Stored XSS (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-4004 and fix it if it is affected.

What it is: CVE-2022-4004 is a medium-severity missing authorization vulnerability in Unknown Donation Button, published on 12 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4004 exists.

Affected product: Unknown Donation Button. 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-2022-4004/ (Markdown: https://insights.sbomify.com/CVE-2022-4004/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-4004
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-4004
- OSV: https://osv.dev/vulnerability/CVE-2022-4004

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-4004/
Summaries are generated and may contain mistakes; the official description above is the record.