{"id":"CVE-2026-83537","title":"The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying.","summary":"The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying.","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","cwe":["CWE-345"],"product":"WP Express Checkout","affected":["wp_express_checkout < 2.5.0"],"published":"2026-09-09","updated":"2026-09-09","sourceUpdated":"2026-09-09T16:17:12.130","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-83537","references":[{"url":"https://wpscan.com/vulnerability/02b39e4f-181d-4573-9175-bf5a6d71e531/","label":"contact@wpscan.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-09T15:22:16.966066Z"},"epss":0.00114,"epssPercentile":0.01719,"ingestedAt":"2026-09-09T07:03:03.596Z","slug":"CVE-2026-83537","body":"## Overview\n\nThe WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying.\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":[]}