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Malicious code in sw-pluginer (npm)

0
Unknown
Published: 08/19/2026 (08/19/2026, 02:49:26 UTC)
Source: GCVE Database
Product: sw-pluginer

Description

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (38427a19b5e267273200d4dc05d0b9a60f0a38bfe7916adaaeb90338af5f1b06) sw-pluginer presents itself as a Tailwind plugin for service worker registration, but its main export — invoked when Tailwind processes its config via require('sw-pluginer') — reads a URL from a staged file at node_modules/.bin/manifest.json, performs an HTTP GET to that URL, and passes the response body directly to eval() in the Node build process. The staging file is written by a separate dropper component and is unlinked after being read, hiding the payload destination from static inspection of the sw-pluginer tarball itself. The fetched code is not pinned, hashed, or signature-verified, and it is executed in the developer's Node environment (not in a browser as service worker code) — so whoever controls the staged manifest.json obtains arbitrary code execution on the developer machine at build time. The self-deleting indirection through node_modules/.bin/manifest.json plus eval of unverified network-fetched JavaScript is a covert dropper mechanism, not service worker registration.

Affected software

npmghsa
sw-pluginer
Affected versions
=1.1.0=1.0.2=1.2.0=1.0.1=1.0.0

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
MAL-2026-14211
Osv Schema Version
1.7.4
Aliases
[]
Ecosystems
["npm"]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a85b4c7acd9273b49252847

Added to database: 08/19/2026, 13:51:03 UTC

Last updated: 08/19/2026, 13:51:35 UTC

Views: 1

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