Malicious Code Detected in Ampscript Package - MAL-2025-14461

ampscript Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-14461: Malicious code in ampscript (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The Ampscript package is a JavaScript library used for server-side scripting in email marketing and web applications. It allows developers to create dynamic content and personalize user experiences. However, the package has been found to contain malicious code, posing a significant risk to users and their applications.

Vulnerability Detail

The vulnerability originates from the inclusion of malicious code within the Ampscript package. This code can potentially compromise user data, lead to unauthorized access, and disrupt application functionality. The malicious nature of the code can also facilitate further attacks, making it critical for users to address this vulnerability promptly.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall ampscript

If 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

As a temporary workaround, users can remove the Ampscript package from their project until a secure version is available. This can be done using the command: 'npm uninstall ampscript'.

Conclusion

The discovery of malicious code in the Ampscript package highlights the importance of maintaining updated dependencies in software projects. Users are urged to take immediate action to update or remove the package to safeguard their applications.

See every vulnerability recorded for ampscript →

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FAQ

Ampscript is a JavaScript library used for server-side scripting, primarily in email marketing and web applications.

The vulnerability involves malicious code embedded within the package, which can compromise user data and application security.

You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.

If an immediate update is not possible, consider uninstalling the Ampscript package as a temporary measure to mitigate risks.

Vulert monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file, providing real-time insights.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall ampscript

If 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 →

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