Malware in animatecss-postcss-plugin
Malware discovered in the npm package animatecss-postcss-plugin. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- animatecss-postcss-plugin
A malware incident has been identified in the npm package animatecss-postcss-plugin. According to the GitHub Advisory (GHSA-p6ch-cw7w-ff5c), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised system. While the package should be removed, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the package compromise.\n\nThis represents a critical supply chain attack through a compromised npm package with potential for complete system compromise.
Indicators of compromise
- Packages
- animatecss-postcss-plugin
Remediation
- Immediately isolate any system with animatecss-postcss-plugin installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the animatecss-postcss-plugin package from all systems
- Perform a full security audit and malware scan of affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if complete compromise is suspected
Sources
- GitHub Advisory GHSA-p6ch-cw7w-ff5c · GitHub Advisory Database
Cite this entry
"Malware in animatecss-postcss-plugin." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 2, 2026; last updated July 2, 2026. https://supplychainattack.org/incident/malware-in-animatecss-postcss-plugin-1veieq
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