Critical Malicious Code Vulnerability in betterjsloggin Package
Summary
MAL-2025-192585: Malicious code in betterjsloggin (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The betterjsloggin package is a logging utility designed for JavaScript applications, enabling developers to log messages and errors efficiently. However, it has been identified as containing malicious code that compromises the security of any system where it is installed. This vulnerability poses a significant risk to developers and organizations relying on this package for their logging needs.
Vulnerability Detail
The vulnerability originates from the inclusion of malicious code within the betterjsloggin package. This code can grant unauthorized access to the system, allowing attackers to control the affected computer fully. As a result, any secrets or keys stored on the compromised machine should be considered exposed and should be rotated immediately. The malicious nature of this code falls under CWE-506, indicating that it contains embedded malicious code.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall betterjslogginIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
There are no effective workarounds for this vulnerability other than removing the package entirely. If you need logging functionality, consider using an alternative logging package that is known to be secure.
Conclusion
The betterjsloggin package has been identified as containing malicious code that poses a severe security risk. Users are urged to uninstall the package immediately and take necessary precautions to secure their systems. Regular monitoring for vulnerabilities, such as through Vulert, can help maintain the security of your applications.
See every vulnerability recorded for betterjsloggin →
FAQ
You should immediately uninstall the betterjsloggin package and rotate any sensitive information stored on your system.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.
Currently, there is no patched version available for the betterjsloggin package. It is recommended to remove it from your project.
Failing to address this vulnerability can lead to unauthorized access to your system, data breaches, and potential loss of sensitive information.
It is strongly advised against using betterjsloggin due to the inherent risks associated with its malicious code. Consider using a secure alternative.
