{"id":"CVE-2026-104641","aliases":["EUVD-2026-107143","GHSA-g546-6f38-794c"],"status":"published","title":"Simple Shopping Cart \u003c 5.3.3 - Unauthenticated Payment Bypass via Unverified PayPal IPN Recipient","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00145,"percentile":0.03783,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-345"],"published":"2026-10-21T08:38:56Z","modified":"2026-10-21T18:37:38Z","products":[{"vendor":"mra13","product":"simple shopping cart"},{"vendor":"unknown","product":"simple shopping cart"}],"references":[{"url":"https://wpscan.com/vulnerability/8227f34e-d2ae-4eb4-9984-aeb07d93ed25/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104641"},{"url":"https://wpscan.com/vulnerability/8227f34e-d2ae-4eb4-9984-aeb07d93ed25"},{"url":"https://github.com/advisories/GHSA-g546-6f38-794c"}],"sources":{"cve":[{"id":"CVE-2026-104641","title":"Simple Shopping Cart \u003c 5.3.3 - Unauthenticated Payment Bypass via Unverified PayPal IPN Recipient","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.","status":"published","published":"2026-10-21T08:38:56.835Z","modified":"2026-10-21T10:14:55.498Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:20:09.098623Z"}],"euvd":[{"id":"EUVD-2026-107143","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.","status":"published","published":"2026-10-21T08:38:56Z","modified":"2026-10-21T10:14:55Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:59:40.152045Z"}],"ghsa":[{"id":"GHSA-g546-6f38-794c","title":"The Simple Shopping Cart WordPress plugin before 5.3.3 does not verify that a PayPal payment...","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.","status":"published","published":"2026-10-21T09:30:29Z","modified":"2026-10-21T12:31:07Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T15:14:09.697532Z"}],"nvd":[{"id":"CVE-2026-104641","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.","status":"published","published":"2026-10-21T09:17:05.987Z","modified":"2026-10-21T18:37:38.7Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:13:02.045979Z"}]}}