Deactivate and delete. This plugin has been closed as of October 7, 2021 and is not available for download. Reason: Security Issue.
John Castro (Pagely) discovered and reported this Cross Site Scripting (XSS) vulnerability in WordPress Comment Engine Pro 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 not been known to be fixed yet.