WordPress Premmerce plugin <= 1.3.20 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'premmerce_wizard_actions' AJAX Endpoint vulnerability

Authenticated Subscriber+ Stored Cross-Site Scripting via 'premmercewizardactions' AJAX Endpoint vulnerability discovered by Athiwat Tiprasaharn Jitlada in WordPress Plugin Premmerce versions = 1.3.20...