# CVE-2024-2844: Easy Appointments <= 3.11.18 - Insufficient Authorization

> Unauthenticated attackers can cancel other users' appointments due to insufficient authorization checks in the Easy Appointments WordPress 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:** 29 Mar 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-2vp3-qj4j-9chv

## What is CVE-2024-2844?

CVE-2024-2844 is a medium-severity missing authorization vulnerability in easyappointments Easy Appointments, published on 29 Mar 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Easy Appointments plugin for WordPress is vulnerable to unauthorized modification of data due to insufficient user validation on the ajax_cancel_appointment() function in all versions up to, and including, 3.11.18. This makes it possible for unauthenticated attackers to cancel other users orders.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2024-2844?

It affects 1 product.


Products: Easy-Appointments Easy Appointments.

## How do I fix CVE-2024-2844?

No fix has been published for CVE-2024-2844 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-2844 being exploited?

There is no known exploitation of CVE-2024-2844 in the wild and no public exploit code.

## Other vulnerabilities in easyappointments Easy Appointments

- [CVE-2024-2842](https://insights.sbomify.com/CVE-2024-2842/): Easy Appointments <= 3.11.18 - Authenticated (Contributor+) Stored Cross-Site Scripting (medium 6.4)
- [CVE-2017-15812](https://insights.sbomify.com/CVE-2017-15812/): Cross-site scripting in n/a (medium 6.1)
- [CVE-2022-4668](https://insights.sbomify.com/CVE-2022-4668/): Easy Appointments < 3.11.2 - Contributor+ Stored XSS in Shortcode (medium 5.4)
- [CVE-2023-30748](https://insights.sbomify.com/CVE-2023-30748/): WordPress Easy Appointments plugin <= 3.10.7 - Auth. Stored Cross-Site Scripting (XSS) vulnerability (medium 4.3)
- [CVE-2022-36424](https://insights.sbomify.com/CVE-2022-36424/): WordPress Easy Appointments Plugin <= 3.11.9 is vulnerable to Cross Site Request Forgery (CSRF) (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-2844 and fix it if it is affected.

What it is: CVE-2024-2844 is a medium-severity missing authorization vulnerability in easyappointments Easy Appointments, published on 29 Mar 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-2024-2844 in the wild and no public exploit code.

Affected product: easyappointments Easy Appointments. 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-2024-2844/ (Markdown: https://insights.sbomify.com/CVE-2024-2844/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-2844
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-2844
- OSV: https://osv.dev/vulnerability/CVE-2024-2844

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-2844/
Summaries are generated and may contain mistakes; the official description above is the record.