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npm · Malicious package advisory

Malware

fbjs-opensource

MAL-2025-20277

Malicious code in fbjs-opensource (npm)

Details

The package fbjs-opensource was found to contain malicious code.

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## Source: google-open-source-security (2dac438ef7432e162ead36cdd4121d9b31b47eaa1eb4ce24c0e577655dc496a5)
This package installs a dependency hosted on a custom domain that runs an
info stealer during installation. The info stealer focuses on stealing
npm, git, and other CI/CD related tokens.

Compromised versions (1)

  • 1.0.0

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