    this.disableNewChatSoundAdmin = function(inst)
    {
        if (inst.prop('tagName') != 'I') {
            inst = inst.find('> i.material-icons');
        }

    	if (inst.text() == 'volume_off'){
    		$.post(this.wwwDir+  'user/setsettingajax/new_chat_sound/1');
    		confLH.new_chat_sound_enabled = 1;
    		inst.text('volume_up');
    	} else {
    		$.post(this.wwwDir+  'user/setsettingajax/new_chat_sound/0');
    		confLH.new_chat_sound_enabled = 0;
    		inst.text('volume_off');
    	}
    	return false;
    };
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.