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  5. CVE-2025-30360

CVE-2025-30360: webpack-dev-server users' source code may be stolen when they access a malicious web site with non-Chromium based browser

June 4, 2025

Source code may be stolen when you access a malicious web site with non-Chromium based browser.

References

  • github.com/advisories/GHSA-9jgg-88mc-972h
  • github.com/webpack/webpack-dev-server
  • github.com/webpack/webpack-dev-server/blob/55220a800ba4e30dbde2d98785ecf4c80b32f711/lib/Server.js
  • github.com/webpack/webpack-dev-server/commit/72efaab83381a0e1c4914adf401cbd210b7de7eb
  • github.com/webpack/webpack-dev-server/commit/d2575ad8dfed9207ed810b5ea0ccf465115a2239
  • github.com/webpack/webpack-dev-server/security/advisories/GHSA-9jgg-88mc-972h
  • nvd.nist.gov/vuln/detail/CVE-2025-30360

Code Behaviors & Features

Detect and mitigate CVE-2025-30360 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 5.2.1

Fixed versions

  • 5.2.1

Solution

Upgrade to version 5.2.1 or above.

Impact 6.5 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-346: Origin Validation Error

Source file

npm/webpack-dev-server/CVE-2025-30360.yml

Spotted a mistake? Edit the file on GitLab.

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