Malicious code in whs4_eud (npm)
[email protected] declares a postinstall lifecycle script (node index.js) that fires unconditionally on npm install. On execution, index.js POSTs installer-side host information — the absolute path of the install location (which embeds the user's home directory), Node.js version, and platform/architecture — to a hardcoded Discord webhook under discord.com/api/webhooks/1530599209269465319/. The webhook URL is assembled by concatenating two string literals at runtime rather than appearing as a single literal, a light obfuscation of the exfiltration destination. The package name and layout are consistent with a dependency-confusion / typosquat beacon whose only functional behavior is to notify the author when an install occurs and to disclose where.
The OpenSSF Package Analysis project identified 'whs4_eud' @ 1.0.1 (npm) as malicious.
It is considered malicious because:
MAL-2026-11071 is recorded against 1 package.
Published on 25 July 2026 and last revised on 11 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| whs4-eud | — | — |
References
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