Critical Malicious Code Vulnerability in json-map-source Package
Summary
MAL-2025-192321: Malicious code in json-map-source (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The json-map-source package is a utility in the npm ecosystem designed for mapping JSON data structures. It is commonly used in web development to facilitate data manipulation and transformation. However, this package has been identified as containing malicious code, posing significant risks to any system where it is installed.
Vulnerability Detail
The vulnerability originates from the presence of embedded malicious code within the json-map-source package. This code can compromise the entire system, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of this code means that any computer running this package should be considered fully compromised, leading to severe security implications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall json-map-sourceIf 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. The only recommended action is to uninstall the json-map-source package and ensure that your system is secure.
Conclusion
The json-map-source package has been identified as containing malicious code, posing a significant threat to any system where it is installed. Immediate removal of the package and rotation of sensitive information is essential to mitigate the risks associated with this vulnerability.
See every vulnerability recorded for json-map-source →
FAQ
You should uninstall the json-map-source package immediately and rotate any sensitive information stored on the affected system.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
Keeping this package installed can lead to unauthorized access to your system, data breaches, and potential loss of sensitive information.
The best recovery method is to remove the package and rotate any compromised secrets or keys. Ensure your system is secure and monitor for any unusual activity.
While many npm packages are safe, it's essential to regularly monitor for vulnerabilities and use tools like Vulert to stay informed about potential risks.
