# CVE-2023-28664: Cross-site scripting in Meta Data and Taxonomies Filter WordPress Plugin

> An authenticated attacker can execute arbitrary scripts via reflected XSS in the Meta Data and Taxonomies Filter WordPress plugin.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 22 Mar 2023
- **Updated:** 25 Feb 2025
- **Also known as:** GHSA-cqqj-5rc7-h9ff

## What is CVE-2023-28664?

CVE-2023-28664 is a medium-severity cross-site scripting vulnerability in Meta Data and Taxonomies Filter WordPress Plugin, published on 22 Mar 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

The Meta Data and Taxonomies Filter WordPress plugin, in versions < 1.3.1, is affected by a reflected cross-site scripting vulnerability in the 'tax_name' parameter of the mdf_get_tax_options_in_widget action, which can only be triggered by an authenticated user.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2023-28664?

It affects 1 product.


Products: Pluginus Wordpress Meta Data and Taxonomies Filter.

## How do I fix CVE-2023-28664?

No fix has been published for CVE-2023-28664 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28664 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-28664 exists.

## Other vulnerabilities in Meta Data and Taxonomies Filter WordPress Plugin

- [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-2024-8623](https://insights.sbomify.com/CVE-2024-8623/): MDTF – Meta Data and Taxonomies Filter <= 1.3.3.3 - Unauthenticated Arbitrary Shortcode Execution (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)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28664 and fix it if it is affected.

What it is: CVE-2023-28664 is a medium-severity cross-site scripting vulnerability in Meta Data and Taxonomies Filter WordPress Plugin, published on 22 Mar 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-28664 exists.

Affected product: Meta Data and Taxonomies Filter WordPress 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-2023-28664/ (Markdown: https://insights.sbomify.com/CVE-2023-28664/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28664
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28664
- OSV: https://osv.dev/vulnerability/CVE-2023-28664

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-28664/
Summaries are generated and may contain mistakes; the official description above is the record.