Topic tag

browser security

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An Ad Blocker With 10 Million Users Was Carrying a Hidden 'Inject Anything' Switch

June 28, 2026 · 4 min read

An Ad Blocker With 10 Million Users Was Carrying a Hidden 'Inject Anything' Switch

A popular Chrome ad blocker wasn't hacked. It was built with a dormant code path that could run any script on any site you visit, flippable from a server with nobody reviewing it. Here's how to check your own extensions today.

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