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5.3 Medium

CVE-2026-104641 The Simple Shopping Cart WordPress plugin before 5.3.3 does not verify that a PayPal payment notification is for a…

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.

Affected products and versions

Product Affected versions Fixed in
Simple Shopping Cart 5.3 earliest → < 5.3.3 5.3.3

Other CVEs of Simple Shopping Cart

The 3 CVEs of Simple Shopping Cart →
CVE-2026-104642 The Simple Shopping Cart WordPress plugin before 5.3.3 does not verify submitted product prices against a value only the… 2.7 Low CVE-2026-104119 The Simple Shopping Cart WordPress plugin before 5.2.6 does not escape some of its settings field values before… 3.5 Low
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