The Chatbot for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in version 2.3.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

CollectChat < 2.4.4 - Admin+ XSS

The Chatbot for WordPress by Collect.chat ⚡️ WordPress plugin before 2.4.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed