# CVE-2024-50531: WordPress RSVPMaker for Toastmasters plugin <= 6.2.4 - Arbitrary File Upload vulnerability

> Attackers can upload malicious web shells to the server, leading to remote code execution on sites using the RSVPMaker for Toastmasters plugin.

- **Severity:** Critical 10.0 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Nov 2024
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-fqg9-xpjx-879w

## What is CVE-2024-50531?

CVE-2024-50531 is a critical vulnerability in davidfcarr RSVPMaker for Toastmasters, published on 4 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Unrestricted Upload of File with Dangerous Type vulnerability in davidfcarr RSVPMaker for Toastmasters rsvpmaker-for-toastmasters allows Upload a Web Shell to a Web Server.This issue affects RSVPMaker for Toastmasters: from n/a through <= 6.2.4.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2024-50531?

It affects 1 product.


Products: Carrcommunications Rsvpmaker.

## How do I fix CVE-2024-50531?

No fix has been published for CVE-2024-50531 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-50531 being exploited?

There is no known exploitation of CVE-2024-50531 in the wild and no public exploit code.

## Other vulnerabilities in davidfcarr RSVPMaker for Toastmasters

- [CVE-2023-25054](https://insights.sbomify.com/CVE-2023-25054/): WordPress RSVPMarker Plugin <= 10.6.6 is vulnerable to Remote Code Execution (RCE) (critical 10.0)
- [CVE-2022-1768](https://insights.sbomify.com/CVE-2022-1768/): RSVPMaker <= 9.3.2 - Unauthenticated SQL Injection (critical 9.8)
- [CVE-2022-1453](https://insights.sbomify.com/CVE-2022-1453/): RSVPMaker <= 9.2.5 - Unauthenticated SQL Injection (critical 9.8)
- [CVE-2022-1505](https://insights.sbomify.com/CVE-2022-1505/): RSVPMaker <= 9.2.6 - Unauthenticated SQL Injection (critical 9.8)
- [CVE-2018-21004](https://insights.sbomify.com/CVE-2018-21004/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-50531 and fix it if it is affected.

What it is: CVE-2024-50531 is a critical vulnerability in davidfcarr RSVPMaker for Toastmasters, published on 4 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-50531 in the wild and no public exploit code.

Affected product: davidfcarr RSVPMaker for Toastmasters. 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-2024-50531/ (Markdown: https://insights.sbomify.com/CVE-2024-50531/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-50531
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-50531
- OSV: https://osv.dev/vulnerability/CVE-2024-50531

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-50531/
Summaries are generated and may contain mistakes; the official description above is the record.