[CVE-2021-28423] Teachers Record Management System 1.0 – Multiple SQL Injection (Authenticated)

# Exploit Author: nhattruong.bloghttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28423https://www.exploit-db.com/exploits/50018https://packetstormsecurity.com/files/163172/Teachers-Record-Management-System-1.0-SQL-Injection.html# Version: 1.0# Tested on: Windows 10 + XAMPP v3.2.4 POC: Go to url http://localhost/admin/index.php Do login Execute the payload SQLi #1: The entry point in ‘editid’ GET parameter in edit-subjects-detail.php SQLi #2: The entry point in ‘searchdata’ POST parameter in /admin/search.php SQLi #3: The entry point in ‘editid’ GET parameter in edit-teacher-detail.php