# CVE-2023-50842: WordPress MF Gig Calendar Plugin <= 1.2.1 is vulnerable to SQL Injection

> An attacker can execute arbitrary SQL commands via the MF Gig Calendar WordPress plugin, potentially reading or modifying database contents.

- **Severity:** High 8.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L`)
- **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:** 28 Dec 2023
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-2rwf-gw57-98vq

## What is CVE-2023-50842?

CVE-2023-50842 is a high-severity SQL injection vulnerability in Matthew Fries MF Gig Calendar, published on 28 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Matthew Fries MF Gig Calendar.This issue affects MF Gig Calendar: from n/a through 1.2.1.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2023-50842?

It affects 1 product.


Products: Mf Gig Calendar Project Mf Gig Calendar.

## How do I fix CVE-2023-50842?

No fix has been published for CVE-2023-50842 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-50842 being exploited?

There is no known exploitation of CVE-2023-50842 in the wild and no public exploit code.

## Other vulnerabilities in Matthew Fries MF Gig Calendar

- [CVE-2024-3756](https://insights.sbomify.com/CVE-2024-3756/): MF Gig Calendar <= 1.2.1 - Arbitrary Event Deletion via CSRF (high 7.5)
- [CVE-2023-37970](https://insights.sbomify.com/CVE-2023-37970/): WordPress MF Gig Calendar Plugin <= 1.2 is vulnerable to Cross Site Scripting (XSS) (medium 6.5)
- [CVE-2021-24510](https://insights.sbomify.com/CVE-2021-24510/): MF Gig Calendar < 1.2 - Reflected Cross-Site Scripting (XSS) (medium 6.1)
- [CVE-2024-3755](https://insights.sbomify.com/CVE-2024-3755/): MF Gig Calendar <= 1.2.1 - Editor+ Stored XSS (medium 5.4)
- [CVE-2024-33651](https://insights.sbomify.com/CVE-2024-33651/): WordPress MF Gig Calendar plugin <= 1.2.1 - Cross Site Request Forgery (CSRF) vulnerability (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-50842 and fix it if it is affected.

What it is: CVE-2023-50842 is a high-severity SQL injection vulnerability in Matthew Fries MF Gig Calendar, published on 28 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-50842 in the wild and no public exploit code.

Affected product: Matthew Fries MF Gig 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-2023-50842/ (Markdown: https://insights.sbomify.com/CVE-2023-50842/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-50842
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-50842
- OSV: https://osv.dev/vulnerability/CVE-2023-50842

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-50842/
Summaries are generated and may contain mistakes; the official description above is the record.