Malicious Code Detected in cryptopjs: A Critical Security Alert
Summary
MAL-2025-17740: Malicious code in cryptopjs (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The cryptopjs package is a JavaScript library designed for cryptographic operations, providing functionalities for encryption and decryption. It is commonly used in web applications to secure sensitive data. However, recent findings have revealed that this package contains malicious code, posing significant risks to applications that utilize it.
Vulnerability Detail
The vulnerability in the cryptopjs package stems from the inclusion of malicious code that can compromise the security of applications using this library. This code may allow unauthorized access to sensitive data, leading to data breaches or exploitation of user information. The issue was introduced in version 0 and affects all subsequent versions.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall cryptopjsIf 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 measure, consider removing the cryptopjs package from your project until a secure version is released. You can do this by running the command: npm uninstall cryptopjs. Alternatively, you may look for other cryptographic libraries that do not have known vulnerabilities.
Conclusion
The discovery of malicious code in the cryptopjs package highlights the importance of maintaining secure dependencies in software development. Users are strongly advised to update or remove the affected package to mitigate potential risks.
See every vulnerability recorded for cryptopjs →
FAQ
The malicious code can potentially allow unauthorized access to sensitive data, compromising the security of applications that use the package.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without any signup.
If immediate updates are not possible, consider removing the package or using alternative libraries until a secure version is available.
While specific exploits have not been detailed, the presence of malicious code indicates a high risk of data breaches and unauthorized access.
Regularly check for updates on your packages and consider using tools like Vulert to monitor your dependencies for vulnerabilities.
