News OptinMonster Backdoor: What to Check If Your WordPress Site Runs Awesome Motive Plugins by Rebecca Sutton June 15, 2026 by Rebecca Sutton June 15, 2026 A CDN-level supply chain attack backdoored over 1.2 million WordPress sites via OptinMonster, TrustPulse and PushEngage. Here is exactly what to check and how to clean up. FacebookTwitterLinkedinEmail