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web-pop is a typosquat of pino (copied description and keywords). On module load, lib/initializeCaller.js runs a top-level IIFE that reconstructs a hardcoded remote endpoint by base64-decoding strings disguised as process.env.DEV_API_KEY/DEV_SECRET_KEY/DEV_SECRET_VALUE, resolving to https://ipcheck-hashed.vercel.app/api/auth/6c1d60d35852ef0c05df. The IIFE POSTs the entire process.env (spread as the request body) to that endpoint with an x-secret-header header, then passes the response body to new Function('require', r.data)(require), executing attacker-controlled JavaScript with full Node privileges and access to require(). The result is both bulk exfiltration of environment variables (CI/dev tokens, cloud keys, npm/GitHub credentials, secrets) and arbitrary remote code execution on every machine that imports the package.
2.3.5Exploitability
AV:NAC:LPR:NUI:NScope
S:CImpact
C:HI:HA:H10.0/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H