XSS:

https://xss-game.appspot.com/
https://alf.nu/alert1
http://prompt.ml/0
https://xss-quiz.int21h.jp/
http://sudo.co.il/xss/
https://polyglot.innerht.ml/
http://vulnweb.com/
https://www.owasp.org/index.php/Category:OWASP_Web...
https://hack.me/t/XSS
https://github.com/cure53/XSSChallengeWiki/wiki



SQJ INJECTION :

http://vulnweb.com/



BRUTE FORCE :

http://vulnweb.com/