If:

- Some strange products added to your existing up-sell offers 

- Up-sell/ cross-sell offers which you haven't created, 

they are generated by the smart options featured in Boost Sales called Smart up-sell and smart cross-sell


By default, the Smart up-sell is enabled. These options are highly recommended to use, but if you would like to manage all offers on your own, please uncheck in the Setting tab >> Other




Beeketing.