{"id":"CVE-2026-104641","title":"Simple Shopping Cart < 5.3.3 - Unauthenticated Payment Bypass via Unverified PayPal IPN Recipient","summary":"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 ha…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-345"],"product":"Simple Shopping Cart","affected":["simple_shopping_cart < 5.3.3"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-21T10:11:52.979214Z"},"published":"2026-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T10:14:55.498Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-104641","references":[{"url":"https://wpscan.com/vulnerability/8227f34e-d2ae-4eb4-9984-aeb07d93ed25/"}],"tags":["cve.org"],"ingestedAt":"2026-10-21T09:46:15.400Z","slug":"CVE-2026-104641","body":"## Overview\n\nThe 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.\n\n## Affected\n\n- `simple_shopping_cart < 5.3.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}