DRUPAL-CONTRIB-2026-300

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    DRUPAL-CONTRIB-2026-300

    Published: 4 Nov 2026Last Modified: 4 Nov 2026

    Summary:

    Details: 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.

    References: https://www.drupal.org/sa-contrib-2026-300

    Affected packages

    Package

    Name: drupal/basket_paypal

    Purl: pkg:composer/drupal/basket_paypal?repository_url=https:%2F%2Fpackages.drupal.org%2F8

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.1.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    DRUPAL-CONTRIB-2026-300 | CVE-DB