BadBlocker Adblock for YouTube MAIN-World Script Injection via trusted-create-element

Ibrahim Saud@tektrix

•updated Jun 25, 2026•0•0•1

Detects the BadBlocker Adblock for YouTube extension (cmedhionkhpnakcndndgjdbohmhepckk) leveraging chrome.scripting.executeScript to inject server-fetched JavaScript into the MAIN world of web pages, specifically utilizing the 'trusted-create-element' scriptlet to facilitate this behavior.