Graham Helton • 11/21/2025

Ublock Origin Script Injection

This article details a proof-of-concept exploit using UBlock Origin's advanced user settings to inject custom JavaScript. It provides step-by-step instructions for configuring the ad-blocker to load and execute scripts that can exfiltrate cookies, monitor clipboard paste events, and alter webpage appearance, highlighting a potential security risk on compromised machines.

0 comments

#Firefox #Chrome #Browser Security