Malicious Code Detected in grammarly-editor-sdk: A Critical Security Threat
Summary
MAL-2025-6092: Malicious code in grammarly-editor-sdk (npm). Affects grammarly-editor-sdk versions >= 4.5.0. No fix is published. How to fix ↓
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Background
The grammarly-editor-sdk is an npm package designed to integrate Grammarly's editing capabilities into applications. It allows developers to enhance user text input with advanced grammar and style suggestions. However, this package has been identified as containing malicious code that communicates with a domain associated with harmful activities, posing significant security risks to users and their systems.
Vulnerability Detail
The vulnerability in the grammarly-editor-sdk arises from embedded malicious code that can compromise the security of any system where the package is installed. This code may allow unauthorized access to sensitive information, including secrets and keys stored on the affected computer. The malicious nature of this code was confirmed through its association with a domain known for malicious activities, indicating a high level of risk for users who have this package installed. The vulnerability affects all versions starting from 0 up to 4.5.0 and beyond, making it critical 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 grammarly-editor-sdkIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
Currently, there are no effective workarounds to mitigate the risks associated with the grammarly-editor-sdk. The only recommended action is to uninstall the package entirely.
Conclusion
The discovery of malicious code within the grammarly-editor-sdk poses a significant threat to users and their systems. Immediate action is required to uninstall the package and secure sensitive information. Continuous monitoring for vulnerabilities is essential to maintain software security.
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FAQ
The grammarly-editor-sdk is an npm package that integrates Grammarly's writing assistance features into applications, providing users with grammar and style suggestions.
The malicious code can compromise your system by allowing unauthorized access to sensitive information, potentially leading to data breaches and loss of control over your system.
If you have the grammarly-editor-sdk installed, you should uninstall it immediately and rotate any sensitive information stored on your system.
No, there is currently no patched version available for the grammarly-editor-sdk. The only solution is to remove the package completely.
You can use tools like Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software using just the package-lock.json file. You can also check your application for vulnerabilities using the Vulert playground without any signup.
