MalwarePublished 6 Aug 2026

tailwindcss-hide-scrollbar (npm) · Malicious Code

Affects tailwindcss-hide-scrollbarSource GCVE Database

Malicious package : remove tailwindcss-hide-scrollbar and rotate any secrets on hosts that installed it.

Data as of 7 Aug 2026, 15:17 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-13424

What to do

Remove tailwindcss-hide-scrollbar from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.

Affected software

Product	Affected	Fixed in
npmtailwindcss-hide-scrollbar	Affected =2.5.4 =2.5.3	Fixed in–

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Description

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (ac906893a6ea1562025bfa35bf4f1998cfd745619f21c4dc3880aa386dc3cfe1) dist/index.js exports a small tailwind scrollbar-hide plugin followed by a trailing eval(atob('<~32KB obfuscator.io payload>')) that executes on every require()/import of the package. The decoded payload pulls in http, https, zlib and child_process.spawn (with require('child_proc'+'ess') split-string obfuscation and an obfuscator.io string-array dispatcher) and contains hardcoded Ethereum JSON-RPC method names (eth_getBlockByNumber, eth_blockNumber), etherscan-style transaction listing paths (?module=account&action=...&startblock=0&endblock=99999999), a process.env.ETH_RPC_URL read, and hardcoded RPC/explorer hosts under drpc.org, publicnode.com, blockscout.com and blast-api.io. A CSS utility plugin has no legitimate need for network I/O, spawned child processes, or dynamic evaluation of an obfuscated blob. The package name inverts the word order of the established tailwind-scrollbar-hide plugin, consistent with a typosquat carrier for the loader. ## Source: ghsa-malware (db8f8e9574e99a7ff90f6934b87642ac2408d46e35bd267f6281d3e8061071db) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Impact

Users who install and import this package risk executing malicious code that can perform unauthorized network communications and spawn child processes on their systems. This could lead to data leakage, system compromise, or unauthorized blockchain interactions. The malicious behavior is hidden behind obfuscation and dynamic evaluation, increasing the risk of unnoticed exploitation in development or production environments.

Defensive guidance

Users should immediately avoid installing or using the tailwindcss-hide-scrollbar package, especially versions 2.5.3 and 2.5.4. Verify dependencies carefully to avoid typosquatted packages and prefer the legitimate tailwind-scrollbar-hide plugin. Monitor package sources and use trusted registries.

Summary

The tailwindcss-hide-scrollbar npm package versions 2.5.3 and 2.5.4 include a malicious payload hidden in an obfuscated eval call within dist/index.js. This payload executes on every import and uses Node.js modules such as http, https, zlib, and child_process.spawn to perform network requests and spawn processes. It targets Ethereum JSON-RPC methods and blockchain explorer APIs, reading environment variables like ETH_RPC_URL and connecting to hardcoded RPC and explorer hosts. The package name is a deliberate inversion of the legitimate tailwind-scrollbar-hide plugin, consistent with typosquatting tactics to trick developers into installing malicious code.

References

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What to do

Affected software

Description

AI analysisMachine-generated, updated 6 Aug 2026, 18:31 UTC

Technical details

References

Community reviews