This article provides a patch for a known issue in Adobe Commerce 2.3.7-p1: when using PayPal Checkout more than once customers get the previously ordered product in cart, instead of the new one they are trying to order.
You can download the patch from this article and it is also available through the Quality Patches Tool (QPT).
When placing an order by using PayPal Express Checkout payment method, the previously ordered purchased product is added into the order instead of the actual one.
Steps to reproduce:
Product price in the cart is $50 instead of $100.
On the store side, the order contains product A instead of the product B.
Product B is added to the order.
Apply the patch provided in this article.
Use the following link to download a .zip file containing the patch: MC42674-composer.patch.zip.