Update the WordPress AMP for WP – Accelerated Mobile Pages plugin to the latest available version (at least 184.108.40.206).
Vlad Vector discovered and reported this Cross Site Scripting (XSS) vulnerability in WordPress Accelerated Mobile Pages Plugin. This could allow a malicious actor to inject malicious scripts, such as redirects, advertisements, and other HTML payloads into your website which will be executed when guests visit your site. This vulnerability has been fixed in version 220.127.116.11.
Authenticated Stored CrossSite Scripting (XSS) vulnerability
Multiple Unauthenticated Vulnerabilities