Critical Malicious Code Vulnerability in magento-coding-standard-eslint-plugin
Summary
MAL-2026-522: Malicious code in magento-coding-standard-eslint-plugin (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The magento-coding-standard-eslint-plugin is an npm package designed to enforce coding standards for Magento projects using ESLint. It helps developers maintain code quality and consistency. However, this package has been found to contain malicious code that compromises the security of any system where it is installed.
Vulnerability Detail
The vulnerability originates from the discovery of embedded malicious code within the magento-coding-standard-eslint-plugin package. This code can lead to full system compromise, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of the code poses significant risks, as it may not be fully eradicated even after the package is removed, leaving systems vulnerable to further exploitation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall magento-coding-standard-eslint-pluginIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, consider using alternative packages that provide similar functionality without the associated risks. Additionally, ensure that your development environment is secure and monitor for any unusual activity.
Conclusion
The discovery of malicious code in the magento-coding-standard-eslint-plugin poses a serious threat to systems using this package. Immediate action is required to remove the package and secure any compromised information. Utilizing tools like Vulert can help prevent future vulnerabilities and ensure the safety of your development environment.
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FAQ
Immediately remove the magento-coding-standard-eslint-plugin package and rotate any sensitive information that may have been compromised.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without requiring any signup.
Leaving the package installed can lead to unauthorized access to your system, potentially compromising sensitive data and allowing further exploitation.
Regularly audit your dependencies, use tools like Vulert for real-time monitoring, and stay informed about security updates for the packages you use.
While many npm packages are safe, it is essential to verify the credibility of packages and monitor for vulnerabilities, as malicious packages can occasionally be published.
References
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