Critical Malicious Code Vulnerability in eslint-verify-plugin
Summary
MAL-2026-1173: Malicious code in eslint-verify-plugin (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
eslint-verify-plugin is an npm package designed to enhance the functionality of ESLint, a widely used tool for identifying and reporting on patterns found in ECMAScript/JavaScript code. This plugin allows developers to create custom rules and improve code quality. However, it 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 inclusion of malicious code within the eslint-verify-plugin package. This code can fully compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The presence of this malicious code poses a significant risk, as it may lead to data breaches and unauthorized control over the affected systems.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall eslint-verify-pluginIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
There are no effective workarounds for this vulnerability other than removing the package and ensuring that all sensitive data is secured. It is essential to monitor your system for any signs of unauthorized access.
Conclusion
The discovery of malicious code in the eslint-verify-plugin poses a serious threat to users and their systems. Immediate action is required to mitigate the risks associated with this vulnerability. Users should remove the package, rotate sensitive information, and monitor their systems for any signs of compromise.
See every vulnerability recorded for eslint-verify-plugin →
FAQ
eslint-verify-plugin is an npm package that extends ESLint's capabilities by allowing developers to create custom linting rules for JavaScript code.
The malicious code can compromise your system, allowing attackers to gain unauthorized access to sensitive information and potentially control your computer.
Immediately remove the eslint-verify-plugin package and rotate any secrets or keys stored on the affected system.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check your application using the Vulert playground at Vulert Scanner without needing to sign up.
While removing the package is essential, there is no guarantee that all malicious software has been removed. It is advisable to conduct a thorough security audit of your system.
