Malicious Package Affecting postcss-optimizer package, versions *
Threat Intelligence
Exploit Maturity
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
Attacked
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Test your applications- Snyk IDSNYK-JS-POSTCSSOPTIMIZER-8678678
- published30 Jan 2025
- disclosed29 Jan 2025
- creditSocket researchers
Introduced: 29 Jan 2025
New Malicious CVE NOT AVAILABLE CWE-506 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Avoid using all malicious instances of the postcss-optimizer package.
Overview
postcss-optimizer is a malicious package.
This package impersonates as the legitimate and widely used postcss library but contains the BeaverTail malware, which operates as both an infostealer and a loader. It enables attackers to compromise developers' systems, exfiltrating credentials and sensitive data across Windows, macOS, and Linux environments.