Quote Originally Posted by picandnix View Post
Hacks on 1.3.9h? If there were 'lots' of hacks as you suggest then are you sure it isn't your host server that is being hacked to gain access to your store? Do you know which files had the hacks applied? If you do not do a full clean up then chances are you will carry the hack scripts over into your upgrade if you are not careful.
Good advice.. I had a client who (despite my warnings) decided to upgrade one site but not the other.. The site she opted not to upgrade got hacked.. I opted to do a clean install and only convert her existing data. We just re-did all the add-on installs from scratch..