---
title: "@nuxtjs/mdc — CVE-2026-63671"
description: "A cross-site scripting flaw affects the npm package @nuxtjs/mdc. Affected versions: < 0.22.1. Fixed from version 0.22.1. CVSS score 8.1."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-16-cve-2026-63671
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-16
dateModified: 2026-09-16
---
# @nuxtjs/mdc — CVE-2026-63671

A cross-site scripting flaw affects the npm package @nuxtjs/mdc. Affected versions: < 0.22.1. Fixed from version 0.22.1. CVSS score 8.1.

## What to do

Update @nuxtjs/mdc to 0.22.1 or later.

| Fact | Value |
| --- | --- |
| Package | @nuxtjs/mdc |
| Ecosystem | npm (JavaScript) |
| Class | Cross-site scripting |
| Affected versions | < 0.22.1 |
| Fixed version | 0.22.1 |
| CVSS | 8.1 |
| CVE | CVE-2026-63671 |
| GHSA | GHSA-mxm6-v9r6-r94c |
| Published on | September 16, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-mxm6-v9r6-r94c](https://github.com/advisories/GHSA-mxm6-v9r6-r94c) — GitHub Security Advisories
- [NVD — CVE-2026-63671](https://nvd.nist.gov/vuln/detail/CVE-2026-63671) — NVD

---

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