Vulnerability in Webpack Webpack-dev-server
CVE-2025-30359
webpack-dev-server allows users to use webpack with a development server that provides live reloading. Prior to version 5.2.1, webpack-dev-server users' source code may be stolen when they access a malicious web site. Because the request f…
EPSS: 0.004 (34.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Webpack Webpack-dev-server — versions < 5.2.1
- Webpack.js Webpack-dev-server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-30359?
- CVE-2025-30359 is a medium-severity vulnerability in Webpack Webpack-dev-server, classified under CWE-749. CVSS score: 5.3/10. Published 2025-06-03.
- How severe is CVE-2025-30359?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-30359 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.