| Package | Affected versions | Patched versions |
|---|---|---|
| drupal/basket_paypal | < 1.1.1 | 1.1.1 |
The AlternativeCommerce PayPal Checkout module provides an AlternativeCommerce method to embed payment services from PayPal.
The module does not sufficiently validate incoming PayPal webhook requests. An unauthenticated attacker can submit a crafted request that references a payment record, causing the associated order to be marked as paid without completing a payment.
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