npm · registry.npmjs.org

class-weaver

Js Hidden Powershell: Hidden / non-interactive PowerShell invocation in package code — `-WindowStyle Hidden`, `irm | iex`, `windowsHide: true`, or equivalent — used to download-and-run payloads on Windows installers.

Why PkgRadar flagged 1.0.0

Severity	Signal	Evidence
high	Js Hidden Powershell	Hidden / non-interactive PowerShell invocation in package code — `-WindowStyle Hidden`, `irm \| iex`, `windowsHide: true`, or equivalent — used to download-and-run payloads on Windows installers. · package/dist/index.js
high	Js Split Join Obfuscation	Array-of-single-tokens joined to form a string — used to obscure module names like require(["n","o","de",":","cr","yp","to"].join("")), defeating static require() analysis. · package/dist/index.js

Scanned versions

Version	Verdict	Score	Scanned (UTC)
`1.0.0`	High risk	85	2026-06-03

Related campaigns

js_split_join_obfuscation:array-of-single-tokens joined to form a string — used to obscure module names like require(["n","o","de",":","cr","yp","to"].join("")), defeating static require() analysis. — 22 releases, max score 333

Block this in CI

PkgRadar gates class-weaver (and every other dependency) before it merges. One line in your pipeline:

pkgradar gate --ecosystem npm [email protected]

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