Chrome Ad Blocker with 10M+ Installs Found with Dormant Script Injection Capability

Thursday, June 25, 2026 at 02:12 PM UTC·Source: The Hacker News

Updated: Thursday, June 25, 2026 at 03:01 PM UTC

Executive Summary

An analysis of a popular Google Chrome ad block extension for YouTube has uncovered the ability to execute arbitrary JavaScript code. According to Island, the extension, named Adblock for YouTube (ID: cmedhionkhpnakcndndgjdbohmhepckk), has more than 10 million installs and carries a Featured badge on the Chrome Web Store. The extension description states that it allows users to prevent web

Analysis

Source Attribution

Originally published by The Hacker News on Jun 25, 2026.

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