# CVE-2024-8623: MDTF – Meta Data and Taxonomies Filter <= 1.3.3.3 - Unauthenticated Arbitrary Shortcode Execution

> Unauthenticated attackers can execute arbitrary shortcodes in the MDTF WordPress plugin due to improper validation, potentially leading to code execution.

- **Severity:** High 7.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Sep 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-rgw5-wvg4-r478

## What is CVE-2024-8623?

CVE-2024-8623 is a high-severity code injection vulnerability in realmag777 MDTF – Meta Data and Taxonomies Filter, published on 24 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The The MDTF – Meta Data and Taxonomies Filter plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.3.3.3. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

Weakness: CWE-94 (Improper Control of Generation of Code)

## Which versions are affected by CVE-2024-8623?

It affects 1 product.


Products: Pluginus Wordpress Meta Data and Taxonomies Filter.

## How do I fix CVE-2024-8623?

No fix has been published for CVE-2024-8623 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-8623 being exploited?

There is no known exploitation of CVE-2024-8623 in the wild and no public exploit code.

## Other vulnerabilities in realmag777 MDTF – Meta Data and Taxonomies Filter

- [CVE-2024-8624](https://insights.sbomify.com/CVE-2024-8624/): MDTF – Meta Data and Taxonomies Filter <= 1.3.3.3 - Authenticated (Contributor+) SQL Injection (critical 9.9)
- [CVE-2021-20781](https://insights.sbomify.com/CVE-2021-20781/): Cross-site request forgery in WordPress Meta Data Filter & Taxonomies Filter (high 8.8)
- [CVE-2024-50450](https://insights.sbomify.com/CVE-2024-50450/): WordPress MDTF – Meta Data and Taxonomies Filter plugin <= 1.3.3.4 - Bypass Vulnerability vulnerability (high 7.3)
- [CVE-2024-29763](https://insights.sbomify.com/CVE-2024-29763/): WordPress MDTF – Meta Data and Taxonomies Filter plugin <= 1.3.3 - Cross Site Scripting (XSS) vulnerability (high 7.1)
- [CVE-2024-12030](https://insights.sbomify.com/CVE-2024-12030/): MDTF – Meta Data and Taxonomies Filter <= 1.3.3.5 - Authenticated (Contributor+) SQL Injection (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-8623 and fix it if it is affected.

What it is: CVE-2024-8623 is a high-severity code injection vulnerability in realmag777 MDTF – Meta Data and Taxonomies Filter, published on 24 Sep 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-2024-8623 in the wild and no public exploit code.

Affected product: realmag777 MDTF – Meta Data and Taxonomies Filter. 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-2024-8623/ (Markdown: https://insights.sbomify.com/CVE-2024-8623/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-8623
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-8623
- OSV: https://osv.dev/vulnerability/CVE-2024-8623

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-8623/
Summaries are generated and may contain mistakes; the official description above is the record.