Provide references for CVE-2021-26822.
Where can I find more information about CVE-2021-26822?
References are available at: https://phpgurukul.com/teachers-record-management-system-using-php-and-mysql/, https://www.exploit-db.com/exploits/49562, https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-26822.