An SQL Injection vulnerability exists in Sourcecodester Simple Chatbot Application 1.0 via the message parameter in Master.php.
https://www.nu11secur1ty.com/2022/01/cve-2021-46427-sql-injection-bypass.html
https://www.exploit-db.com/exploits/50673
https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/2022/Simple%20ChatBot