Critical Malicious Code Vulnerability in paypal-invoicing Package

paypal-invoicing Updated 02 Oct 2025

Summary

15/07/2025
CRITICAL
No i
Critical
Not published

MAL-2025-6192: Malicious code in paypal-invoicing (npm). Affects paypal-invoicing versions 1.0.0 – 1.0.1. No fix is published. How to fix ↓

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Background

The paypal-invoicing package is an npm library designed to facilitate the creation and management of PayPal invoices programmatically. It is widely used in applications that require payment processing and invoicing functionalities. However, this package has been compromised, embedding malicious code that poses significant security risks to any system utilizing it.

Vulnerability Detail

The vulnerability originates from the inclusion of malicious code within the paypal-invoicing package. This code is designed to collect sensitive system information, exfiltrate data to a hardcoded IP address, and execute unauthorized commands during the preinstall phase. The presence of this code can lead to complete system compromise, allowing attackers to gain control over the affected machines and potentially access sensitive data such as secrets and keys.

How To Fix

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

npm uninstall paypal-invoicing

If 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 avoid using the paypal-invoicing package until a secure version is released. Additionally, consider using alternative packages that provide similar functionalities without the associated risks.

Conclusion

The paypal-invoicing package has been identified as containing malicious code that compromises system security. Immediate action is required to remove the package and secure any affected systems. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.

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FAQ

Immediately remove the package from your project and consider rotating 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.

Failure to address this vulnerability can lead to unauthorized access to your system, data breaches, and potential loss of sensitive information.

The best mitigation is to remove the package entirely and look for alternative solutions until a secure version is released.

Regularly check for updates in your package dependencies and utilize tools like Vulert to monitor for vulnerabilities in real-time.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

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

npm uninstall paypal-invoicing

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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