Malicious Code Detected in daystil Package: A Critical Security Alert
Summary
MAL-2025-18093: Malicious code in daystil (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The daystil package is an npm library designed for date manipulation and formatting. It is widely used in JavaScript applications for handling dates in a user-friendly manner. However, recent findings have revealed that this package contains malicious code, posing significant risks to applications that rely on it.
Vulnerability Detail
The vulnerability in the daystil package originates from the inclusion of malicious code that can compromise the security of applications using this library. This code can lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The issue affects all versions starting from the initial release, making it critical for developers to take immediate action.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall daystilIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, consider removing the daystil package from your project until a secure version is released. You can do this by executing 'npm uninstall daystil' in your terminal.
Conclusion
The discovery of malicious code in the daystil package highlights the importance of maintaining vigilance in open-source software. Developers should take immediate action to update or remove the package to protect their applications from potential threats.
See every vulnerability recorded for daystil →
FAQ
The daystil package is used for date manipulation and formatting in JavaScript applications.
The malicious code can potentially lead to unauthorized access and data breaches in applications that utilize the package.
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 needing to sign up.
Currently, there is no patched version available. It is crucial to monitor the official repository for updates.
If immediate removal is not possible, ensure to implement additional security measures to mitigate risks while you work on a solution.
