Quicksand Post Filter jQuery Plugin <= 3.1.1 - Missing Authorization via quicksand_admin_ajax

Description The Quicksand Post Filter jQuery Plugin plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the ‘quicksand_admin_ajax’ function in versions up to, and including, 3.1.1. This makes it possible for unauthenticated attackers to delete arbitrary site options.