In the module "Sliding cart block" (blockslidingcart) up to version 2.3.8 from PrestashopModules.eu for PrestaShop, a guest can perform SQL injection.
https://security.friendsofpresta.org/modules/2024/01/16/blockslidingcart.html
https://addons.prestashop.com/en/express-checkout-process/3321-block-sliding-cart.html