CVE-2025-30359

Webpack-dev-server CVE-2025-30359 affects the development server used to serve webpack bundles. Before version 5.2.1, an attacker could steal a user’s source code via a malicious site by injecting a script and abusing prototype pollution; exploitation could reveal code through webpack_modules via...

CVE-2025-30359 webpack-dev-server users' source code may be stolen when they access a malicious web site

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...

CVE-2025-30359 webpack-dev-server users' source code may be stolen when they access a malicious web site

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...

webpack-dev-server 访问控制错误漏洞

webpack-dev-server is a webpack open source application that provides webpack. An access control error vulnerability exists in webpack-dev-server versions prior to 5.2.1, which stems from the possibility of source code theft when visiting a malicious website using a non-Chromium-based browser...

PT-2025-23649 · Unknown · Webpack-Dev-Server

Name of the Vulnerable Software and Affected Versions: webpack-dev-server versions prior to 5.2.1 Description: The issue allows an attacker to obtain source code via a method similar to that used to exploit a previously reported vulnerability. This is possible because webpack-dev-server always...

PT-2025-23648 · Unknown · Webpack-Dev-Server

Name of the Vulnerable Software and Affected Versions: webpack-dev-server versions prior to 5.2.1 Description: The issue allows an attacker to steal users' source code when they access a malicious website. This is possible because the request for a classic script by a script tag is not subject to...

webpack-dev-server 安全漏洞

webpack-dev-server is a webpack open source application that provides webpack. A security vulnerability exists in webpack-dev-server versions prior to 5.2.1, which stems from the possibility of source code theft when a user visits a malicious website...

MAL-2023-1343 Malicious code in webpack-dev-server.legacy (npm)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 85cd0dbb01e0045658eb423c4580a09f07f36ce5af1689227f99e72348cda4a6 The OpenSSF Package Analysis project identified 'webpack-dev-server.legacy' @ 1.0.0 npm as malicious. It is considered malicious because: - The...

MAL-2022-7105 Malicious code in webpback-dev-esrver (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 5a8d0d272d86340f504944bad6bcbfca405fd215d44bdb0a9b2e77110713c88a Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Older releases of better_errors open to Cross-Site Request Forgery attack

Impact bettererrors prior to 2.8.0 did not implement CSRF protection for its internal requests. It also did not enforce the correct "Content-Type" header for these requests, which allowed a cross-origin "simple request" to be made without CORS protection. These together left an application with...

GHSA-W3J4-76QW-WWJM Older releases of better_errors open to Cross-Site Request Forgery attack

Impact bettererrors prior to 2.8.0 did not implement CSRF protection for its internal requests. It also did not enforce the correct "Content-Type" header for these requests, which allowed a cross-origin "simple request" to be made without CORS protection. These together left an application with...

-tompan-reacttemplate (>=1.0.1 <=1.1.0), 0726react (=0.1.1) +23456 more potentially affected by CVE-2018-14732 via webpack-dev-server (>=1.10.1 <=3.1.10)

webpack-dev-server NPM version =1.10.1, =1.0.1, =1.1.0 - 0726react =0.1.1 - 0x0.icu.anima =0.1.0 - 0xgank-tea-advice-pull =1.0.0 - 0xgank-tea-balance-pencil =1.0.0 - 0xgank-tea-brick-bell =1.0.0 - 0xgank-tea-cake-victory =1.0.0 - 0xgank-tea-central-compound =1.0.0 - 0xgank-tea-characteristic =1.0...

Missing Origin Validation in webpack-dev-server

Versions of webpack-dev-server before 3.1.10 are missing origin validation on the websocket server. This vulnerability allows a remote attacker to steal a developer's source code because the origin of requests to the websocket server that is used for Hot Module Replacement HMR are not validated...

GHSA-CF66-XWFP-GVC4 Missing Origin Validation in webpack-dev-server

Versions of webpack-dev-server before 3.1.10 are missing origin validation on the websocket server. This vulnerability allows a remote attacker to steal a developer's source code because the origin of requests to the websocket server that is used for Hot Module Replacement HMR are not validated...

Missing Origin Validation

Overview Versions of webpack-dev-server before 3.1.10 are missing origin validation on the websocket server. This vulnerability allows a remote attacker to steal a developer's source code because the origin of requests to the websocket server that is used for Hot Module Replacement HMR are not...

CVE-2018-14732

An issue was discovered in lib/Server.js in webpack-dev-server before 3.1.6. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR Hot Module Replacement. Anyone can receive the HMR message sent by the WebSocket...

CVE-2018-14732

An issue was discovered in lib/Server.js in webpack-dev-server before 3.1.6. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR Hot Module Replacement. Anyone can receive the HMR message sent by the WebSocket...

Code injection

An issue was discovered in lib/Server.js in webpack-dev-server before 3.1.6. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR Hot Module Replacement. Anyone can receive the HMR message sent by the WebSocket...

CVE-2018-14732

CVE-2018-14732 affects webpack-dev-server before 3.1.6. The WebSocket server used for Hot Module Replacement does not validate the request origin, allowing any origin (including ws://127.0.0.1:8080/) to receive HMR messages. This can enable an attacker to access a developer’s source code from a p...

CVE-2018-14732

An issue was discovered in lib/Server.js in webpack-dev-server before 3.1.6. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR Hot Module Replacement. Anyone can receive the HMR message sent by the WebSocket...