npm/synckit CVE-2025-54313: high 7.5, exploited, EPSS 5.13%
eslint-config-prettier, eslint-plugin-prettier, synckit, @pkgr/core, napi-postinstall have embedded malicious code
Action: Upgrade synckit to 0.11.10 or later.
npm i synckit@0.11.10Affected
| introduced | fixed | last affected |
|---|---|---|
| 0.11.9 | 0.11.10 | - |
Fixed versions
| 0.11.10 |
Sources
- osv: GHSA-f29h-pxvx-f335#npm/synckit
- kev: CVE-2025-54313
- https://nvd.nist.gov/vuln/detail/CVE-2025-54313
- https://github.com/prettier/eslint-config-prettier/issues/339
- https://github.com/prettier/eslint-config-prettier/commit/9b0b0a47ec28a7a83cf65e8436a8776910379385
- https://github.com/prettier/eslint-plugin-prettier/commit/ec39dd4400f10c52d10cd991c10fa8de51ceb854
- https://github.com/un-ts/napi-postinstall/commit/38b4e95cf554e2549b9e1e2c4ff6bff4da9a65f9
- https://github.com/un-ts/pkgr/commit/e1420c99e44d8a2ae949381f9fbe1af5ba9cb1dd
- https://github.com/un-ts/synckit/commit/8f2ee32d4f75736a1c8d7e1101190a71e48909e4
- https://www.stepsecurity.io/blog/supply-chain-security-alert-eslint-config-prettier-package-shows-signs-of-compromise
- https://www.npmjs.com/package/eslint-config-prettier?activeTab=versions
- https://www.endorlabs.com/learn/cve-2025-54313-eslint-config-prettier-compromise----high-severity-but-windows-only
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-54313
- https://www.bleepingcomputer.com/news/security/popular-npm-linter-packages-hijacked-via-phishing-to-drop-malware
- https://socket.dev/blog/npm-phishing-campaign-leads-to-prettier-tooling-packages-compromise
- https://secure.software/npm/packages/got-fetch
- https://news.ycombinator.com/item?id=44609732
- https://news.ycombinator.com/item?id=44608811
- https://github.com/prettier/eslint-config-prettier
- https://github.com/community-scripts/ProxmoxVE/discussions/6115
- https://checkmarx.com/zero-post/supply-chain-phishing-campaign-drops-more-malware-into-npm-got-fetch-5-1
CVE-2025-54313 · published · modified · JSON