css-anchor-pos-fallback is malicious. Its code runs at install and can read the secrets of the machine.

npm

Details

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not in lockfile
Safe
no fixed version
Advisories
1 in 120 days

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Alerts(1)

Malicious code in css-anchor-pos-fallback (npm)

css-anchor-pos-fallback · 5 Oct

Critical
Conditions under review

Source summary

Source: amazon-inspector (bd0a6c8e1448ffd9abb3732872ea3d49280a422d49524aaa57d0b89a73812f05) The package advertises itself as a CSS anchor-position polyfill but on require executes an IIFE in thunderboltRegistry.js that runs id , whoami , uname -a , ifconfig / ip addr , and reads /etc/hosts , then POSTs the collected output along with hostname, platform, and Node version via fetch to the hardcoded external endpoint http://dxpoc.gt.tc/callback.php/. The module also exports keys named after Wix thunderbolt internal registries (thunderboltRegistry, siteAssetsRegistry, documentManagementRegistry, e

Affected
css-anchor-pos-fallback 1.0.0
Fixed in
no fix yet
ID
GHSA-4ppq-v2jm-24mc
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