---
title: "svgo — CVE-2026-84370"
description: "A cross-site scripting flaw affects the npm package svgo. Affected versions: >= 1.0.0, < 2.8.4. Fixed from version 2.8.4. CVSS score 8.2."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-08-cve-2026-84370
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-08
dateModified: 2026-09-08
---
# svgo — CVE-2026-84370

A cross-site scripting flaw affects the npm package svgo. Affected versions: >= 1.0.0, < 2.8.4. Fixed from version 2.8.4. CVSS score 8.2.

## What to do

Update svgo to 2.8.4 or later.

| Fact | Value |
| --- | --- |
| Package | svgo |
| Ecosystem | npm (JavaScript) |
| Class | Cross-site scripting |
| Affected versions | >= 1.0.0, < 2.8.4 |
| Fixed version | 2.8.4 |
| CVSS | 8.2 |
| CVE | CVE-2026-84370 |
| GHSA | GHSA-w27v-7q3p-w38r |
| Published on | September 8, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-w27v-7q3p-w38r](https://github.com/advisories/GHSA-w27v-7q3p-w38r) — GitHub Security Advisories
- [NVD — CVE-2026-84370](https://nvd.nist.gov/vuln/detail/CVE-2026-84370) — NVD

---

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Full register : https://inyourgeek.com/en/failles-de-securite