[Information] We're well aware of the spam issue related to the Customer Accounts. It's currently WIP: we're going to release a patch for 1.7.5.x and 1.6.1.x in order to mitigate the attack vector.
— PrestaShop (@PrestaShop) April 24, 2019
More details: https://t.co/VUrgDEOqR5
https://goo.gl/EO0ad1
https://goo.gl/xF8heB