Provide references for CVE-2021-33470.
Where can I find more information about CVE-2021-33470?
References are available at: https://phpgurukul.com/, https://www.exploit-db.com/exploits/49886, http://packetstormsecurity.com/files/163014/COVID-19-Testing-Management-System-1.0-SQL-Injection.html, https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-04, https://www.nu11secur1ty.com/2021/08/covid-19-contact-tracing-system-web-app.html.