eslint-plugin-prettier

GHSA-m8j9-43h2-xcvh

Malicious code in eslint-plugin-prettier (npm)

Details

**Severity:** Critical

**Affected versions:** `= 4.2.2`

This package installs a windows based malware file node-gyp.dll via install.js

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/71b5ccd62809b0f6e173eff59b5900130cf7fc02/osv/malicious/npm/eslint-plugin-prettier/MAL-2025-6023.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/71b5ccd62809b0f6e173eff59b5900130cf7fc02/osv/malicious/npm/eslint-plugin-prettier/MAL-2025-6023.json
- https://www.bleepingcomputer.com/news/security/popular-npm-linter-packages-hijacked-via-phishing-to-drop-malware
- https://github.com/advisories/GHSA-m8j9-43h2-xcvh

Compromised versions (1)

= 4.2.2

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.