Malicious Code Detected in eslint-plugin-spectrum-web-components: A Security Alert
Summary
MAL-2025-19863: Malicious code in eslint-plugin-spectrum-web-components (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The eslint-plugin-spectrum-web-components package is a tool designed for linting and ensuring code quality in projects that utilize Spectrum web components. It helps developers maintain best practices and enforce coding standards. However, this package has been identified to contain malicious code, posing a significant risk to users and their applications.
Vulnerability Detail
The vulnerability stems from the inclusion of malicious code within the eslint-plugin-spectrum-web-components package. This code can potentially compromise the security of applications that utilize this package, leading to unauthorized access, data breaches, or other malicious activities. The issue was introduced in version 0 and affects all subsequent versions.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall eslint-plugin-spectrum-web-componentsIf 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 eslint-plugin-spectrum-web-components package from your project until a secure version is released. You can do this by running the following command: npm uninstall eslint-plugin-spectrum-web-components.
Conclusion
The discovery of malicious code in the eslint-plugin-spectrum-web-components package highlights the importance of vigilance in managing open-source dependencies. Users are urged to update or remove the affected package to safeguard their applications against potential threats.
See every vulnerability recorded for eslint-plugin-spectrum-web-components →
FAQ
The malicious code is designed to exploit vulnerabilities in applications that use the package, potentially leading to unauthorized access or data breaches.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By utilizing the Vulert playground, you can check if your application is affected without any signup.
If an immediate update is not possible, consider removing the package from your project as a temporary workaround until a secure version is available.
Detailed information about the vulnerability can be found on the GitHub repository of the package and through security advisories related to npm packages.
While the risk of data loss depends on how the malicious code operates, it is advisable to assess your application's security and take necessary precautions to mitigate any potential risks.
