The username and password field of login in Lodging Reservation Management System V1 can give access to any user by using SQL injection to bypass authentication.Referenceshttps://www.sourcecodester.com/php/14883/lodging-reservation-management-system-php-free-source-code.htmlhttps://github.com/Ni7inSharma/CVE-2021-41511https://www.exploit-db.com/exploits/50372http://packetstormsecurity.com/files/164366/Lodging-Reservation-Management-System-1.0-SQL-Injection.htmlhttps://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41511https://streamable.com/9fq8uwhttps://www.nu11secur1ty.com/2021/10/cve-2021-41511.html