Malicious Code Detected in spire.officejs-externs Package - Immediate Action Required
Summary
MAL-2026-312: Malicious code in spire.officejs-externs (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The spire.officejs-externs package is a library used in JavaScript applications to provide externs for Office JavaScript APIs. It is designed to facilitate the integration of Office functionalities within web applications. However, this package has been identified to contain malicious code, posing a significant security risk to applications that utilize it.
Vulnerability Detail
The vulnerability originates from the inclusion of malicious code within the spire.officejs-externs package. This code can potentially compromise the integrity of applications that depend on it, leading to unauthorized access, data breaches, or other malicious activities. The malicious code was detected by Amazon Inspector, which flagged the package as containing harmful elements that could affect users and systems relying on its functionality.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall spire.officejs-externsIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
If immediate updating is not feasible, consider removing the spire.officejs-externs package from your project until a secure version is released. You can do this by running: npm uninstall spire.officejs-externs. This will prevent any potential exploitation of the malicious code while you seek a solution.
Conclusion
The detection of malicious code in the spire.officejs-externs package poses a serious threat to applications that utilize it. It is essential to take immediate action by updating or removing the package to safeguard your application from potential exploitation. Regular monitoring and vulnerability assessments are crucial for maintaining application security.
See every vulnerability recorded for spire.officejs-externs →
FAQ
The spire.officejs-externs package is a JavaScript library that provides externs for Office JavaScript APIs, enabling developers to integrate Office functionalities into their web applications.
The malicious code was detected by Amazon Inspector, a security tool that scans packages for vulnerabilities and flags those that contain harmful elements.
Using the compromised spire.officejs-externs package can lead to unauthorized access, data breaches, and other malicious activities that can compromise the security of your application.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software. By analyzing your package-lock.json file, it helps ensure your application remains secure.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
