# CVE-2023-6243: EventON PRO - WordPress Virtual Event Calendar Plugin <= 4.6.8 - Cross-Site Request Forgery via admin_test_email

> Unauthenticated attackers can trick administrators into sending test emails to arbitrary addresses via CSRF in EventON PRO plugin.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 19 Oct 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-wmmx-rm9g-w3wv

## What is CVE-2023-6243?

CVE-2023-6243 is a medium-severity vulnerability in EventON (Pro) - WordPress Virtual Event Calendar Plugin, published on 19 Oct 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The EventON PRO - WordPress Virtual Event Calendar Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.6.8. This is due to missing or incorrect nonce validation on the admin_test_email function. This makes it possible for unauthenticated attackers to send test emails to arbitrary email addresses via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2023-6243?

It affects 1 product.


Products: Myeventon Eventon-Lite.

## How do I fix CVE-2023-6243?

No fix has been published for CVE-2023-6243 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6243 being exploited?

There is no known exploitation of CVE-2023-6243 in the wild and no public exploit code.

## Other vulnerabilities in EventON (Pro) - WordPress Virtual Event Calendar Plugin

- [CVE-2023-4635](https://insights.sbomify.com/CVE-2023-4635/): EventON <= 2.2.2 - Reflected Cross-Site Scripting (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6243 and fix it if it is affected.

What it is: CVE-2023-6243 is a medium-severity vulnerability in EventON (Pro) - WordPress Virtual Event Calendar Plugin, published on 19 Oct 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-6243 in the wild and no public exploit code.

Affected product: EventON (Pro) - WordPress Virtual Event Calendar Plugin. 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-2023-6243/ (Markdown: https://insights.sbomify.com/CVE-2023-6243/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6243
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6243
- OSV: https://osv.dev/vulnerability/CVE-2023-6243

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6243/
Summaries are generated and may contain mistakes; the official description above is the record.