In the module "Account Manager | Sales Representative & Dealers | CRM" (prestasalesmanager) up to 9.0 from Presta World for PrestaShop, a guest can download personal information without restriction by performing a path traversal attack.
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize 'dir\..\..\filename' (multiple internal backslash dot dot) sequences that can resolve to a location that is outside of that directory.