Malicious Code Detected in public-site-cms-ui Package - Critical Vulnerability
Summary
MAL-2026-483: Malicious code in public-site-cms-ui (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The public-site-cms-ui package is a component of the npm ecosystem, commonly used for building user interfaces in content management systems. It provides essential functionalities for developers to create and manage public-facing websites. However, this package has been identified to contain malicious code, posing significant security risks to applications that depend on it.
Vulnerability Detail
The vulnerability originates from the discovery of malicious code within the public-site-cms-ui package, as reported by Amazon Inspector. This malicious code can lead to unauthorized access, data breaches, or other harmful actions within affected applications. The vulnerability affects all versions of the package starting from its introduction, making it imperative for users to take immediate action.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall public-site-cms-uiIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can remove the public-site-cms-ui package from your project until a secure version is released. Use the following command to uninstall the package: npm uninstall public-site-cms-ui.
Conclusion
The public-site-cms-ui package has been identified to contain malicious code, posing serious security risks. Users are urged to update or uninstall the package to mitigate potential threats. Continuous monitoring and prompt action are essential to maintain application security.
See every vulnerability recorded for public-site-cms-ui →
FAQ
The malicious code can perform unauthorized actions within applications, potentially leading to data breaches or other security incidents.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without any signup.
Currently, there is no specific patched version mentioned. It is advisable to monitor the package repository for updates.
As a workaround, consider uninstalling the public-site-cms-ui package until a secure version is available.
The vulnerability was reported by Amazon Inspector, a security assessment service.
