OpenCart

Overview

OpenCart is a free, open-source e-commerce platform written in PHP. Merchants self-host OpenCart to power their online stores, managing product catalogs, shopping carts, checkout flows, and order processing. Scripts encountered on OpenCart storefronts are typically the platform's own core JavaScript rather than third-party embeds, since OpenCart serves its scripts from the merchant's own domain.

What This Script Does

OpenCart's core JavaScript handles essential storefront interactions: maintaining shopping cart state via a cart cookie or session, managing customer login sessions with OCSESSID (a session identifier cookie, session-scoped, cleared on browser close), processing checkout form interactions, and rendering dynamic product views. The platform may also set a currency preference cookie and a language cookie for localization. Third-party payment integrations (PayPal, Stripe, etc.) and analytics extensions added via the OpenCart extension marketplace introduce additional scripts from those respective vendors. The OpenCart platform itself does not phone home to a central OpenCart server; all scripts execute within the merchant's own infrastructure. Data collected by cart and session cookies stays on the merchant's server unless transmitted by an extension to a third party.

Consent & Compliance

OpenCart's core cookies — session identifiers, cart state, currency preference, and language preference — are technically necessary for the store to function. Under ePrivacy, strictly necessary cookies enabling a service explicitly requested by the user (e.g., maintaining a shopping cart) are exempt from prior consent requirements. GDPR Article 6(1)(b) supports processing session data to fulfill a purchase transaction. Where third-party extensions (analytics, advertising pixels, live chat) are installed, those vendors introduce their own consent obligations. Merchants must audit their installed extensions and ensure each is covered in their consent management configuration. Since OpenCart is self-hosted, the merchant acts as the data controller for all first-party data. Consent category: essential/functional (core platform).

Should You Block This Without Consent?

No. OpenCart's core scripts and cookies are essential to e-commerce functionality — blocking them would break cart, checkout, and account functionality. Third-party extensions installed on top of OpenCart should be evaluated individually; analytics and marketing extensions require consent. Use your consent management platform to control third-party scripts loaded via OpenCart extensions rather than blocking the platform itself.