Detections
Analytics

SCA: security update for webpack-dev-server (GHSA-4v9v-hfq4-rm2v)

medium Tenable Self-Hosted Container Security Plugin ID 427836

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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 for classic script by a script tag is not subject to same origin policy, an
 attacker can inject a malicious script in their site and run the script. Note that the attacker has to
 know the port and the output entrypoint script path. Combined with prototype pollution, the attacker can
 get a reference to the webpack runtime variables. By using `Function::toString` against the values in
 `__webpack_modules__`, the attacker can get the source code. Version 5.2.1 contains a patch for the issue.
 (CVE-2025-30359)

See Also

https://github.com/advisories/GHSA-4v9v-hfq4-rm2v

Plugin Details

Severity: Medium

ID: 427836

Version: Revision 1.12

Type: Local

Family: SCA Checks

Published: 6/5/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.51

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.2

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2025-30359

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/4/2025

Vulnerability Publication Date: 6/3/2025

Reference Information

CVE: CVE-2025-30359

cwe: CWE-749