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CVE-2025-54313: Malicious Code Execution via eslint-config-prettier Package

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Overview

The vulnerability CVE-2025-54313 primarily affects developers using certain versions of the eslint-config-prettier package. This vulnerability is of significant concern due to the potential for system compromise or data leakage upon execution of maliciously embedded code within the package.

Vulnerability Summary

CVE ID: CVE-2025-54313
Severity: High (CVSS: 7.5)
Attack Vector: Local
Privileges Required: User
User Interaction: Required
Impact: System compromise or data leakage

Affected Products

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Product | Affected Versions

eslint-config-prettier | 8.10.1, 9.1.1, 10.1.6, 10.1.7

How the Exploit Works

The exploit is embedded within the eslint-config-prettier package, specifically within the versions mentioned above. Upon installation of the affected package, an install.js file is executed, which launches the node-gyp.dll malware on Windows systems. This malware, once active, can lead to potential system compromise or data leakage.

Conceptual Example Code

The following is a
conceptual
example of how the vulnerability might be exploited:

# Assume the user is installing a vulnerable version of the package
npm install eslint-config-prettier@8.10.1
# The install.js file is automatically executed
# Within install.js, the malicious code is triggered
node ./node_modules/eslint-config-prettier/install.js
# The node-gyp.dll malware is launched

Please note that this is a simplified representation of the potential exploit. Actual attack scenarios might be more complex and require additional steps or conditions.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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