eslint-config-prettier 8.10.1, 9.1.1, 10.1.6, and 10.1.7 has embedded malicious code for a supply chain compromise. Installing an affected package executes an install.js file that launches the node-gyp.dll malware on Windows.
Weakness
The product contains code that appears to be malicious in nature.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Eslint-config-prettier | Prettier | 8.10.1 (including) | 8.10.1 (including) |
| Eslint-config-prettier | Prettier | 9.1.1 (including) | 9.1.1 (including) |
| Eslint-config-prettier | Prettier | 10.1.6 (including) | 10.1.6 (including) |
| Eslint-config-prettier | Prettier | 10.1.7 (including) | 10.1.7 (including) |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/442.html
- https://cwe.mitre.org/data/definitions/448.html
- https://cwe.mitre.org/data/definitions/636.html
References
- https://github.com/prettier/eslint-config-prettier/issues/339
- https://news.ycombinator.com/item?id=44608811
- https://news.ycombinator.com/item?id=44609732
- https://socket.dev/blog/npm-phishing-campaign-leads-to-prettier-tooling-packages-compromise
- https://www.bleepingcomputer.com/news/security/popular-npm-linter-packages-hijacked-via-phishing-to-drop-malware/
- https://www.npmjs.com/package/eslint-config-prettier?activeTab=versions
- https://www.stepsecurity.io/blog/supply-chain-security-alert-eslint-config-prettier-package-shows-signs-of-compromise
- https://github.com/community-scripts/ProxmoxVE/discussions/6115
- https://www.endorlabs.com/learn/cve-2025-54313-eslint-config-prettier-compromise----high-severity-but-windows-only
- https://www.bleepingcomputer.com/news/security/popular-npm-linter-packages-hijacked-via-phishing-to-drop-malware/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-54313