NetSight
medium5.3

CVE-2026-104641

The Simple Shopping Cart WordPress plugin before 5.3.3 does not verify that a PayPal payment notification is for a payment received by the site owner's PayPal …

Impact

The Simple Shopping Cart WordPress plugin before 5.3.3 does not verify that a PayPal payment notification is for a payment received by the site owner's PayPal account in its default configuration, allowing unauthenticated attackers to have their orders marked as paid using a payment made to an account they control.

Affected products

ProductAffected versions
Simple Shopping Cart WordPress Plugin
before 5.3.3

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References