Malicious Code Vulnerability in inter-site-components Package
Summary
MAL-2026-1751: Malicious code in inter-site-components (npm). Affects inter-site-components versions 99.0.0. No fix is published. How to fix ↓
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Background
The inter-site-components package is a library used in npm ecosystems to facilitate inter-site communication and component sharing. It is designed to enhance modularity and reusability of web components across different sites. However, this package has been found to contain malicious code that poses significant security risks to applications utilizing it.
Vulnerability Detail
The vulnerability identified as MAL-2026-1751 stems from malicious code embedded within the inter-site-components package. This code can potentially lead to unauthorized access, data breaches, or exploitation of the affected systems. The malicious nature of this vulnerability was reported by ReversingLabs, which discovered that version 99.0.0 of the package contains harmful elements that can compromise the integrity of applications relying on it.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall inter-site-componentsIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can remove the inter-site-components package from your project until a secure version is released. You can do this by running the following command: npm uninstall inter-site-components. This will prevent any potential exploitation while you await a fix.
Conclusion
The inter-site-components package has been identified as containing malicious code, posing a significant risk to applications that utilize it. It is essential to update or remove the package to safeguard your application from potential threats. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.
See every vulnerability recorded for inter-site-components →
FAQ
The inter-site-components package is a library used in npm for facilitating communication and sharing components between different web applications.
The MAL-2026-1751 vulnerability involves malicious code within the inter-site-components package that can lead to security breaches.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
If you are using version 99.0.0 of the inter-site-components package, you should update it to a secure version as soon as possible.
The vulnerability was reported by ReversingLabs, a security research firm specializing in identifying malicious packages.
