PrestaShop is an Open Source e-commerce platform. Starting with version 1.7.0.0 and ending with version 1.7.8.3, an attacker is able to inject twig code inside the back office when using the legacy layout. The problem is fixed in version 1.7.8.3. There are no known workarounds.
SQL injection vulnerability in the City Autocomplete (cityautocomplete) module from ebewe.net for PrestaShop, prior to version 1.8.12 (for PrestaShop version 1.5/1.6) or prior to 2.0.3 (for PrestaShop version 1.7), allows remote attackers to execute arbitrary SQL commands via the type, inputname. or q parameter in the autocompletion.php front controller.
modules/orderfiles/ajax/upload.php in the Customer Files Upload addon 2018-08-01 for PrestaShop (1.5 through 1.7) allows remote attackers to execute arbitrary code by uploading a php file via modules/orderfiles/upload.php with auptype equal to product (for upload destinations under modules/productfiles), order (for upload destinations under modules/files), or cart (for upload destinations under modules/cartfiles).
PrestaShop before 1.6.1.20 and 1.7.x before 1.7.3.4 mishandles cookie encryption in Cookie.php, Rinjdael.php, and Blowfish.php.