In the module "Theme settings" (pkthemesettings) <= 1.8.8 from Promokit.eu for PrestaShop, a guest can download all email collected while SHOP is in maintenance mode. Due to a lack of permissions control, a guest can access the txt file which collect email when maintenance is enable which can lead to leak of personal information.
In the module "Theme settings" (pkthemesettings) <= 1.8.8 from Promokit.eu for PrestaShop, a guest can perform SQL injection. The script ajax.php have a sensitive SQL call that can be executed with a trivial http call and exploited to forge a SQL injection.