Reference:
https://zenosloim.blogspot.com/2021/09/210930-swedbank-pay-security-flaw.html
It seems that SwedBank is very generous giving to anyone for free, Christmas presents.
Similar security flaw in the SwedBank Pay paying system, makes possible to order/buy anything and paying via SwedBank Pay (PayEx) payment system.
You'll never be invoiced.
The SwedBank Pay (PayEx) was informed about the new security flaw.