In nopCommerce 4.50.1, an open redirect vulnerability can be triggered by luring a user to authenticate to a nopCommerce page by clicking on a crafted link.
nopCommerce 4.50.1 is vulnerable to Cross Site Scripting (XSS). At Apply for vendor account feature, an attacker can upload an arbitrary file to the system.
nopCommerce 4.50.1 is vulnerable to Cross Site Scripting (XSS) via the "Text" parameter (forums) when creating a new post, which allows a remote attacker to execute arbitrary JavaScript code at client browser.
nopCommerce 4.50.1 is vulnerable to Cross Site Scripting (XSS). An attacker (role customer) can inject javascript code to First name or Last name at Customer Info.
In nopCommerce 4.30, a Reflected XSS issue in the Discount Coupon component allows remote attackers to inject arbitrary web script or HTML through the Filters/CheckDiscountCouponAttribute.cs discountcode parameter.
nopCommerce through 4.20 allows XSS in the SaveStoreMappings of the components \Presentation\Nop.Web\Areas\Admin\Controllers\NewsController.cs and \Presentation\Nop.Web\Areas\Admin\Controllers\BlogController.cs via Body or Full to Admin/News/NewsItemEdit/[id] Admin/Blog/BlogPostEdit/[id]. NOTE: the vendor reportedly considers this a "feature" because the affected components are an HTML content editor.
RoxyFileman, as shipped with nopCommerce v4.2.0, is vulnerable to ../ path traversal via d or f to Admin/RoxyFileman/ProcessRequest because of Libraries/Nop.Services/Media/RoxyFileman/FileRoxyFilemanService.cs.
nopCommerce v4.2.0 allows privilege escalation via file upload in Presentation/Nop.Web/Admin/Areas/Controllers/PluginController.cs via Admin/FacebookAuthentication/Configure because it is possible to upload a crafted Facebook Auth plugin.