Detections
Analytics
CVE-2026-2345
low
Description
Proctorio Chrome Extension is a browser extension used for online proctoring. The extension contains multiple window.addEventListener('message', ...) handlers that do not properly validate the origin of incoming messages. Specifically, an internal messaging bridge processes messages based solely on the presence of a fromWebsite property without verifying the event.origin attribute.
References
https://www.hckrt.com/hacktivity/46b61f36-b685-4667-aebf-82a67ad69ad6