CVE-2025-54313
Prettier eslint-config-prettier Embedded Malicious Code Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 12 February 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N
- EPSS
- 5.13% probability · 92th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 22 January 2026 · due 12 February 2026
- Weakness
- CWE-506
- Affected
- prettier/eslint-config-prettier · prettier/eslint-plugin-prettier · un-ts/synckit · un-ts/pkgr\/core · alexghr/got-fetch · un-ts/napi-postinstall · homarr/homarr
- Source
- cve@mitre.org
EPSS 5.1% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://www.npmjs.com/package/eslint-config-prettier?activeTab=versions ; https://github.com/prettier/eslint-config-prettier/issues/339#issuecomment-3090304490 ; https://nvd.nist.gov/vuln/detail/CVE-2025-54313
References
- https://github.com/prettier/eslint-config-prettier/issues/339Issue Tracking
- https://news.ycombinator.com/item?id=44608811Issue Tracking
- https://news.ycombinator.com/item?id=44609732Issue Tracking
- https://socket.dev/blog/npm-phishing-campaign-leads-to-prettier-tooling-packages-compromiseThird Party Advisory
- https://www.bleepingcomputer.com/news/security/popular-npm-linter-packages-hijacked-via-phishing-to-drop-malware/Exploit, Third Party Advisory
- https://www.npmjs.com/package/eslint-config-prettier?activeTab=versionsProduct
- https://www.stepsecurity.io/blog/supply-chain-security-alert-eslint-config-prettier-package-shows-signs-of-compromiseExploit, Third Party Advisory
- https://github.com/community-scripts/ProxmoxVE/discussions/6115Third Party Advisory
- https://www.endorlabs.com/learn/cve-2025-54313-eslint-config-prettier-compromise----high-severity-but-windows-onlyThird Party Advisory
- https://www.bleepingcomputer.com/news/security/popular-npm-linter-packages-hijacked-via-phishing-to-drop-malware/Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-54313US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.