hello , my name is: (arash setayeshi) & my yahoo id is : arash_pc0 I found a new vulnerability in aspjar guestbook that we can control website & go to admin control panel by (sql injection). sql injection : in login page(guestbook/admin/login.asp) , username should be blank & password is : ' or 'x'='x . by this work we will be in admin control panel so : username:(nothing) password: ' or 'x'='x this is new sql injection attack. i tested this bug and it is in all versions of aspjar guestbook with special thanks arash setayeshi bye