# CVE-2024-8432: Missing authorization in Easy Appointment Booking & Scheduling System – Webba Booking Calendar

> Authenticated subscribers can modify booking form CSS due to missing capability checks in the Webba Booking 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:** 24 Sep 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-2crp-c7w4-2c48

## What is CVE-2024-8432?

CVE-2024-8432 is a medium-severity missing authorization vulnerability in webba-agency Easy Appointment Booking & Scheduling System – Webba Booking Calendar, published on 24 Sep 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Appointment & Event Booking Calendar Plugin – Webba Booking plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_appearance() function in all versions up to, and including, 5.0.48. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify the booking form's CSS.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2024-8432?

It affects 1 product.


Products: Webba-Booking Webba Booking.

## How do I fix CVE-2024-8432?

No fix has been published for CVE-2024-8432 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-8432 being exploited?

There is no known exploitation of CVE-2024-8432 in the wild and no public exploit code.

## Other vulnerabilities in webba-agency Easy Appointment Booking & Scheduling System – Webba Booking Calendar

- [CVE-2021-36847](https://insights.sbomify.com/CVE-2021-36847/): WordPress Webba Booking plugin <= 4.2.21 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability (medium 4.8)
- [CVE-2023-51354](https://insights.sbomify.com/CVE-2023-51354/): WordPress Webba Booking Plugin <= 4.5.33 is vulnerable to Cross Site Request Forgery (CSRF) (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-8432 and fix it if it is affected.

What it is: CVE-2024-8432 is a medium-severity missing authorization vulnerability in webba-agency Easy Appointment Booking & Scheduling System – Webba Booking Calendar, published on 24 Sep 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-2024-8432 in the wild and no public exploit code.

Affected product: webba-agency Easy Appointment Booking & Scheduling System – Webba Booking Calendar. 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-2024-8432/ (Markdown: https://insights.sbomify.com/CVE-2024-8432/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-8432
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-8432
- OSV: https://osv.dev/vulnerability/CVE-2024-8432

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-8432/
Summaries are generated and may contain mistakes; the official description above is the record.