Malicious Code Injection in messi-sdubjda-ssdfa Package: npm Vulnerability

messi-sdubjda-ssdfa Updated 26 Nov 2025

Summary

12/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-160338: Malicious code in messi-sdubjda-ssdfa (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 messi-sdubjda-ssdfa package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate the development of applications by providing reusable code. However, it has been identified as part of a malicious campaign that aims to exploit npm's publishing mechanisms, leading to potential security risks for developers and their applications.

Vulnerability Detail

The vulnerability in the messi-sdubjda-ssdfa package stems from its involvement in a token reward campaign that floods the npm registry with malicious packages. These packages contain scripts that automatically modify the package.json file to remove private flags, change version numbers, and generate random package names. This behavior not only inflates developer reputation scores but also pollutes the npm registry, making it difficult for developers to find legitimate packages. The malicious payload can lead to unauthorized access to sensitive information and compromise the integrity of applications relying on this package.

How To Fix

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

npm uninstall messi-sdubjda-ssdfa

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 avoid using the messi-sdubjda-ssdfa package and look for alternative packages that provide similar functionality without the associated risks. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner without any signup.

Conclusion

The messi-sdubjda-ssdfa package poses a significant security risk due to its malicious code injection. It is crucial for developers to be aware of such vulnerabilities and take immediate action to protect their applications. Regular monitoring and updating of dependencies are essential practices to maintain application security.

See every vulnerability recorded for messi-sdubjda-ssdfa →

Share this vulnerability

FAQ

The messi-sdubjda-ssdfa package is an npm package that has been identified as part of a malicious campaign to exploit npm's publishing mechanisms.

This vulnerability can lead to unauthorized access to sensitive information and compromise the integrity of applications that rely on the affected package.

You should uninstall the messi-sdubjda-ssdfa package immediately and check for alternative packages to use in your project.

You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities.

Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.

How To Fix

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

npm uninstall messi-sdubjda-ssdfa

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