I have website to sell products by wordpress website that I need to embed into iframe in another website but in the iframe when I try to add the product in to cart it says product added however when I go to check the cart it says empty.

I am in need of someone to help me with an issue I am facing on my WooCommerce website. My issue is that when I try to add a product to the cart from an iframe, the product is added but the cart is empty after. I'm not sure what the cause of this could be, whether that be one of the plugins or features on the website, or something else. I haven't contacted the support team of the website platform for assistance yet, so I'm looking for someone to help me figure out what is causing this issue and get it resolved.