{"id":"CVE-2026-103330","title":"Sadad QA Payment 1.28 - Unauthenticated Arbitrary Order Payment Confirmation via Signature Bypass","summary":"The Sadad QA Payment WordPress plugin through 1.28 does not correctly verify the authenticity of incoming payment notifications, as the verification is keyed on a merchant secret that is empty by default and the rest of the signed data i…","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":"Sadad QA Payment","affected":["sadad_qa_payment >= 1.28 <= 1.28"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-28T17:37:05.689292Z"},"published":"2026-10-28","updated":"2026-10-28","sourceUpdated":"2026-10-28T17:47:59.887Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103330","references":[{"url":"https://wpscan.com/vulnerability/0681f5a8-a1cd-44b0-b7c8-c3eacbd9e96a/"}],"tags":["cve.org"],"ingestedAt":"2026-10-28T11:09:40.349Z","slug":"CVE-2026-103330","body":"## Overview\n\nThe Sadad QA Payment WordPress plugin through 1.28 does not correctly verify the authenticity of incoming payment notifications, as the verification is keyed on a merchant secret that is empty by default and the rest of the signed data is attacker-controlled, allowing unauthenticated attackers to forge a valid confirmation and mark orders as paid without payment.\n\n## Affected\n\n- `sadad_qa_payment >= 1.28 <= 1.28`\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":[]}