Exploring WebExtension security vulnerabilities in React Developer Tools and Vue.js devtools
Snyk's security researchers have conducted some research to better understand the risks of WebExtensions, both well-known (i.e. XSS, code injection) and those more specific to WebExtensions themselves. From our research we identified and disclosed some vulnerabilities within some popular browser extensions: React Developer Tools and Vue.js devtools. In this post, we will explore the WebExtension technology and look into the vulnerabilities identified.