# WebExtension

WebExtensions is a cross-browser browser extension API and system for developing extensions.

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## Exploring WebExtension security vulnerabilities in React Developer Tools and Vue.js devtools

DevFeed: [Exploring WebExtension security vulnerabilities in React Developer Tools and Vue.js devtools](<https://devfeed.tech/articles/exploring-webextension-security-vulnerabilities-in-react-developer-tools-and-vue-js-devtools-8234.md>)

Original publisher: [Read original article](<https://snyk.io/blog/webextension-security-vulnerabilities-react-developer-tools-vue-js/>)

Author: Calum Hutton

Published: 2023-11-27T05:00:00Z

Content type: article

Language: en

Sources: [Blog RSS Feed | Snyk](<https://devfeed.tech/sources/blog-rss-feed-snyk.md>)

Topics: [WebExtension](<https://devfeed.tech/topics/webextension.md>), [Browser Extension](<https://devfeed.tech/topics/browser-extension.md>), [Vulnerabilities](<https://devfeed.tech/topics/vulnerabilities.md>), [Security](<https://devfeed.tech/topics/security.md>), [React](<https://devfeed.tech/topics/react.md>), [Vue.js](<https://devfeed.tech/topics/vue.md>)

Tags: [application-security](<https://devfeed.tech/tags/application-security.md>), [awareness](<https://devfeed.tech/tags/awareness.md>), [blog](<https://devfeed.tech/tags/blog.md>), [browser](<https://devfeed.tech/tags/browser.md>), [code-security](<https://devfeed.tech/tags/code-security.md>), [developer](<https://devfeed.tech/tags/developer.md>), [devrel](<https://devfeed.tech/tags/devrel.md>), [extensions](<https://devfeed.tech/tags/extensions.md>), [react](<https://devfeed.tech/tags/react.md>), [security](<https://devfeed.tech/tags/security.md>), [security-vulnerabilities](<https://devfeed.tech/tags/security-vulnerabilities.md>), [snyk-platform](<https://devfeed.tech/tags/snyk-platform.md>), [vue](<https://devfeed.tech/tags/vue.md>), [vulnerabilities](<https://devfeed.tech/tags/vulnerabilities.md>)

### AI overview

This article examines security risks in WebExtensions, focusing on vulnerabilities identified in React Developer Tools and Vue.js devtools. It explains the cross-browser WebExtension architecture and discusses risks including unverified external messages, code injection, and XSS.

### Source excerpt

Snyk's security researchers have identified and disclosed some vulnerabilities within some popular browser extensions: React Developer Tools and Vue.js devtools. This post will explore the WebExtension technology and look into the vulnerabilities identified.