# CVE-2023-6005: EventON (Free < 2.2.7, Premium < 4.5.5) - Admin+ Stored Cross-Site Scripting

> Admin users can inject malicious scripts via unsanitized settings in EventON, bypassing unfiltered_html restrictions in multisite setups.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 16 Jan 2024
- **Updated:** 20 Jun 2025
- **Also known as:** GHSA-cf62-62c9-rpwv

## What is CVE-2023-6005?

CVE-2023-6005 is a medium-severity cross-site scripting vulnerability in Unknown EventON, published on 16 Jan 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

The EventON WordPress plugin before 4.5.5, EventON WordPress plugin before 2.2.7 does not sanitize and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation), CWE-116 (Improper Encoding or Escaping of Output)

## Which versions are affected by CVE-2023-6005?

It affects 1 product.


Products: Myeventon Eventon.

## How do I fix CVE-2023-6005?

No fix has been published for CVE-2023-6005 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6005 being exploited?

There is no known exploitation of CVE-2023-6005 in the wild and no public exploit code.

## Other vulnerabilities in Unknown EventON

- [CVE-2023-6242](https://insights.sbomify.com/CVE-2023-6242/): Cross-site request forgery in EventON (Pro) - WordPress Virtual Event Calendar Plugin (medium 6.5)
- [CVE-2023-6244](https://insights.sbomify.com/CVE-2023-6244/): Cross-site request forgery in EventON (Pro) - WordPress Virtual Event Calendar Plugin (medium 6.5)
- [CVE-2023-6158](https://insights.sbomify.com/CVE-2023-6158/): Missing authorization in EventON (Pro) - WordPress Virtual Event Calendar Plugin (medium 6.5)
- [CVE-2025-3527](https://insights.sbomify.com/CVE-2025-3527/): Cross-site scripting in EventON (Pro) - WordPress Virtual Event Calendar Plugin (medium 6.4)
- [CVE-2023-7200](https://insights.sbomify.com/CVE-2023-7200/): EventON < 4.4.1 - Reflected Cross-Site Scripting (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6005 and fix it if it is affected.

What it is: CVE-2023-6005 is a medium-severity cross-site scripting vulnerability in Unknown EventON, published on 16 Jan 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-6005 in the wild and no public exploit code.

Affected product: Unknown EventON. 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-2023-6005/ (Markdown: https://insights.sbomify.com/CVE-2023-6005/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6005
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6005
- OSV: https://osv.dev/vulnerability/CVE-2023-6005

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6005/
Summaries are generated and may contain mistakes; the official description above is the record.