Add Multiple Marker <= 1.2 - Missing Authorization to Unauthenticated Settings Update

The Add Multiple Marker plugin for WordPress is vulnerable to unauthorized modification of data to due to a missing capability check on the addmultiplemarker_reset_map() and amm_save_map_api() functions in all versions up to, and including, 1.2. This makes it possible for unauthenticated attackers to update the map API and reset maps.