Malicious Code Injection in eastern_cricket_z3n: A Threat to npm Ecosystem

eastern_cricket_z3n Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-94159: Malicious code in eastern_cricket_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓

Free scan

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.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored MarkAI Find prospects already talking about the problem you solve AI watches the communities your customers use to find qualified prospects, then alerts you when a conversation is worth joining. See MarkAI

Background

The package eastern_cricket_z3n is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. The primary function of such packages is to manipulate developer reputation scores through automated publishing scripts, which can lead to significant security risks.

Vulnerability Detail

The vulnerability in eastern_cricket_z3n stems from its inclusion in a campaign that deploys malicious scripts designed to alter package.json files. These scripts remove private flags, change version numbers, and generate random package names, thereby polluting the npm registry. The malicious payload can lead to unauthorized access, reputation damage for developers, and a compromised npm ecosystem, as it encourages the proliferation of untrustworthy packages.

How To Fix

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

npm uninstall eastern_cricket_z3n

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, you can remove the eastern_cricket_z3n package from your project until a secure version is released. Use the following command to uninstall it: npm uninstall eastern_cricket_z3n. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities without needing to access the code directly.

Conclusion

The eastern_cricket_z3n package poses a significant security risk due to its malicious code that alters critical package files. It is vital for developers to stay informed about such vulnerabilities and take proactive measures to secure their projects. Regularly updating packages and utilizing tools like Vulert can help mitigate these risks.

See every vulnerability recorded for eastern_cricket_z3n →

Share this vulnerability

FAQ

The vulnerability involves malicious code that alters package.json files, removing private flags and changing version numbers, which can lead to security risks.

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

Consequences include unauthorized access to your project, damage to your developer reputation, and the risk of your application being compromised due to the proliferation of untrustworthy packages.

As of now, there is no specific patch mentioned. It is essential to monitor the package repository for updates and apply them as soon as they are released.

If immediate updates are not possible, consider uninstalling the package and using alternative solutions while monitoring for any updates regarding the vulnerability.

How To Fix

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

npm uninstall eastern_cricket_z3n

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 →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback