Advisories - Critical Vulnerability in Adobe Shockwave Player
Major browsers like Chrome, Firefox, and Edge have removed Flash support entirely. Consequently, extensions like Flashblock are no longer necessary for modern web browsing. How Flashblock Worked flashblock plugin
Adobe stopped supporting Flash Player on December 31, 2020 , and blocked Flash content from running in the player starting January 12, 2021 . flashblock plugin
For those using legacy systems or archival browsers, here is how the plugin typically functioned: flashblock plugin