# CVE-2023-6203: The Events Calendar < 6.2.8.1 - Unauthenticated Arbitrary Password Protected Post Read

> Unauthenticated attackers can read the content of password-protected posts in The Events Calendar plugin via crafted requests.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-2q88-68x3-v4pp

## What is CVE-2023-6203?

CVE-2023-6203 is a high-severity vulnerability in Unknown The Events Calendar, published on 18 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Events Calendar WordPress plugin before 6.2.8.1 discloses the content of password protected posts to unauthenticated users via a crafted request

## Which versions are affected by CVE-2023-6203?

It affects 1 product.


Products: Stellarwp the Events Calendar.

## How do I fix CVE-2023-6203?

No fix has been published for CVE-2023-6203 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6203 being exploited?

There is no known exploitation of CVE-2023-6203 in the wild and no public exploit code.

## Other vulnerabilities in Unknown The Events Calendar

- [CVE-2024-8275](https://insights.sbomify.com/CVE-2024-8275/): The Events Calendar <= 6.6.4 - Unauthenticated SQL Injection (critical 9.8)
- [CVE-2024-4180](https://insights.sbomify.com/CVE-2024-4180/): The Events Calendar < 6.4.0.1 - Reflected XSS (critical 9.1)
- [CVE-2024-6931](https://insights.sbomify.com/CVE-2024-6931/): The Events Calendar <= 6.6.3 - Unauthenticated Stored Cross-Site Scripting (high 7.2)
- [CVE-2025-5144](https://insights.sbomify.com/CVE-2025-5144/): The Events Calendar <= 6.13.2 - Authenticated (Contributor+) DOM-Based Stored Cross-Site Scripting (medium 6.4)
- [CVE-2019-15109](https://insights.sbomify.com/CVE-2019-15109/): Cross-site scripting in n/a (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6203 and fix it if it is affected.

What it is: CVE-2023-6203 is a high-severity vulnerability in Unknown The Events Calendar, published on 18 Dec 2023. 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-2023-6203 in the wild and no public exploit code.

Affected product: Unknown The Events 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-2023-6203/ (Markdown: https://insights.sbomify.com/CVE-2023-6203/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6203
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6203
- OSV: https://osv.dev/vulnerability/CVE-2023-6203

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6203/
Summaries are generated and may contain mistakes; the official description above is the record.