PkgRadar

Package evidence

@c4a/[email protected]

Js Decode Then Exec: base64 / atob / fromCharCode decode paired with eval / new Function in the same file — canonical obfuscated-loader pattern.

Trust signals

Why this verdict

PkgRadar discounts a release’s score when public reputation argues against novel malware. The verdict above already reflects these — the panel just explains what was applied.

Versions published
19
First published
May 2026
Publisher
qiansc

Recommended action

Review before promoting

Mixed signals: the package has indicators worth reading before allowing the update in automated dependency flows.

Block this release in CIcurl · GitHub Actions

Fail the build when this package version is added or upgraded. Replace $PKGRADAR_TOKEN with a Pro / Team API key from your dashboard.

curl -fsS https://pkgradar.com/gate/npm \
  -H "Authorization: Bearer $PKGRADAR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"specs":["@c4a/[email protected]"],"fail_on":"review"}'

GitHub Actions step:

- name: PkgRadar gate
  run: |
    curl -fsS https://pkgradar.com/gate/npm \
      -H "Authorization: Bearer ${{ secrets.PKGRADAR_TOKEN }}" \
      -H "Content-Type: application/json" \
      -d '{"specs":["@c4a/[email protected]"],"fail_on":"review"}'
Publisherqiansc
Artifact bytes459,298
Previous version0.5.39-beta.3
Published2026-05-28T19:01:46.589Z
SHA-256ecbf1434f7ef92e6991185829c250345aa14c18ef2d50d6dfb8b732f9752c3f1

Why flagged

What the scanner saw

Js Decode Then Exec: base64 / atob / fromCharCode decode paired with eval / new Function in the same file — canonical obfuscated-loader pattern.

Not observed: package install, lifecycle script execution, or sandbox execution. PkgRadar only inspects on-disk artifacts.

Availability ledger

available

review
Last checked
reviewRisk
45Score
0.5.39-beta.4Version
Status history (1 event)
  1. newavailable · risk review · score 45 · status changed

Evidence

Static findings

1 static · 0 from release diff · showing high-signal first.

SeverityKindPathDetailPoints
highJs Decode Then Execpackage/index.jsbase64 / atob / fromCharCode decode paired with eval / new Function in the same file — canonical obfuscated-loader pattern.45

Manifest

Package metadata

Dependencies1
  • web-tree-sitter^0.20.8