[ CVE-2026-104641 · Published 21 Oct 2026 ]
Vulnerability in Unknown Simple Shopping Cart
CVSS 5.3
EPSS <1%No fix listed yet
[ Description ]Official description
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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.