nopCommerce before 5.00.0 Missing Authorization via Admin ProductController Add Popup Handlers

nopCommerce before 5.00.0 contains a missing authorization vulnerability in the admin ProductController RelatedProductAddPopup, CrossSellProductAddPopup and AssociatedProductAddPopup handlers that fail to verify parent product ownership. Authenticated vendors can submit another vendor's product id as model.ProductId to inject their products into the victim's related-products, cross-sell and grouped-product listings.

An access control issue in nopcommerce v4.50.2 allows attackers to arbitrarily modify any customer's address via the addressedit endpoint.

Nopcommerce 4.70.1 is vulnerable to Cross Site Scripting (XSS) via the combined "AddProductReview.Title" and "AddProductReview.ReviewText" parameter(s) (Reviews) when creating a new review.

nopCommerce through 4.90.1 does not offer locking for order placement. Thus there is a race condition with duplicate redeeming of gift cards.

nopCommerce 4.40.3 is vulnerable to XSS in the Product Name at /Admin/Product/Edit/[id]. Each time a user views the product in the shop, the XSS payload fires.

CVE-2025-11699

nopCommerce v4.70 and prior, and version 4.80.3, does not invalidate session cookies after logout or session termination, allowing an attacker who has a a valid session cookie access to privileged endpoints (such as /admin) even after the legitimate user has logged out, enabling session hijacking. Any version above 4.70 that is not 4.80.3 fixes the vulnerability.

nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) via the Attributes functionality.

nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) via the Blog posts functionality in the Content Management area.

nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) via the Currencies functionality.

nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) in the product management functionality. Malicious payloads inserted into the "Product Name" and "Short Description" fields are stored in the backend database and executed automatically whenever a user views the affected pages.

nopCommerce 4.90.0 is vulnerable to Cross Site Request Forgery (CSRF) via the Schedule Tasks functionality.

Multiple open redirect vulnerabilities in NopCommerce 4.10 through 4.50.1 allow remote attackers to conduct phishing attacks by redirecting users to attacker-controlled web sites via the returnUrl parameter, processed by the (1) ChangePassword function, (2) SignInCustomerAsync function, (3) SuccessfulAuthentication method, or (4) NopRedirectResultExecutor class.

nopCommerce 4.50.1 is vulnerable to Directory Traversal via the backup file in the Maintenance feature.

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). 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). An attacker (role customer) can inject javascript code to First name or Last name at Customer Info.

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.

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.

RoxyFileman, as shipped with nopCommerce v4.2.0, is vulnerable to CSRF because GET requests can be used for renames and deletions.

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.