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Malicious package

tailwind-animator-scrollnpm

Advisory published Updated

tailwind-animator-scroll is a confirmed malicious npm package (MAL-2026-5618) that steals credentials and exfiltrates sensitive data (malicious version 1.7.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in tailwind-animator-scroll (npm)

MAL-2026-5618
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall tailwind-animator-scroll

What this malware does

The package's main entry src/index.js appends, after a large whitespace gap following the legitimate-looking Tailwind plugin code, an eval(atob('Z2xvYmFsWychJ109JzExJzt2YXIgXyRfMWU0Mj0...')) call. The decoded first stage re-exposes Node's require and module as global aliases (global['c']=require, etc. — typo-style obfuscation) and then invokes a second-stage IIFE that uses a custom shuffle decoder plus the Function() constructor to assemble and execute a further opaque payload. Because this lives in the main entry, simply adding the plugin to tailwind.config.js executes attacker-controlled code inside the developer's build environment, where CI tokens, environment variables, source code, and credentials are all reachable. The package additionally impersonates the legitimate tailwindcss-animationfound plugin: the README copies its CSS class names and API surface verbatim, the install snippet uses yet another misspelling (tailwind-animatior-scroll), and a shields.io badge links to the real tailwindcss-animationfound package — a typosquat lure designed to catch developers who mistype or fuzzy-search for the legitimate plugin.

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.

Malicious versions

1 flagged
1.7.0

Indicators of compromise (SHA-256)

ba3df97ff156b8e1e30b41be70b8a14bf5ca95949640fb51a96b3369231cf372
f89c3c4c01375bc7baef213c815a901ac3947eaf3835aa80ea67a725ece8d533
819045fef6002491d4321e1c300c8898293fa9efa23b69eee504f5c56207fc8a

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for tailwind-animator-scroll (version 1.7.0).

  2. If you installed it — respond

    tailwind-animator-scroll is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If tailwind-animator-scroll was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. tailwind-animator-scroll on npm has been identified as a malicious package (version 1.7.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-005708IN-MAL-2026-005707GHSA-mx93-wj6x-87wp

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks tailwind-animator-scroll-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

tailwind-animator-scroll (npm) malicious package — MAL-2026-5618 | O3 Security