<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSRF issues with qute://settings</title>
<script type="text/javascript">
function add_img() {
const elem = document.createElement("img")
elem.src = "qute://settings/set?option=auto_save.interval&value=invalid";
document.body.appendChild(elem);
}
</script>
</head>
<body>
<form action="qute://settings/set?option=auto_save.interval&value=invalid" method="post"><button type="submit" id="via-form">Via form</button></form>
<input type="button" onclick="add_img()" value="Via img" id="via-img">
<a href="qute://settings/set?option=auto_save.interval&value=invalid" id="via-link">Via link</a>
<a href="/redirect-to?url=qute://settings/set%3Foption=auto_save.interval%26value=invalid" id="via-redirect">Via redirect</a>
</body>
</html>