WordPress Optima Express IDX plugin <= 8.7.5 - Unauthenticated Privilege Escalation to 'ihf_clear_cache' AJAX Action to Author Role Assignment vulnerability

Unauthenticated Privilege Escalation to 'ihfclearcache' AJAX Action to Author Role Assignment vulnerability discovered by Wordfence PRISM - Wordfence in WordPress Plugin Optima Express + MarketBoost IDX Plugin versions = 8.7.5...