{"id":"CVE-2026-103311","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-103311","generatedAt":"2026-10-28T03:26:03.541Z","title":"The Coinbase Commerce Payment Gateway for WooCommerce WordPress plugin through 1.4.1 does not verify the authenticity of incoming payment webhook notifications, because the shared secret used to validate the request signature is empty by default and…","description":"The Coinbase Commerce Payment Gateway for WooCommerce WordPress plugin through 1.4.1 does not verify the authenticity of incoming payment webhook notifications, because the shared secret used to validate the request signature is empty by default and nothing rejects an unconfigured secret, allowing unauthenticated attackers to forge notifications that mark arbitrary orders as paid or cancel already-paid orders.","published":"2026-10-19T07:16:30.000Z","lastModified":"2026-10-19T21:04:51.000Z","status":"Deferred","sourceIdentifier":"contact@wpscan.com","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-345"],"affected":[],"epss":{"score":0.00114,"percentile":0.01494,"date":"2026-10-26","history":[{"date":"2026-10-19","score":0.00114,"percentile":0.014}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.11%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-19T07:16:30.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-10-19T07:16:30.260Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://wpscan.com/vulnerability/3d43ae6a-ca0d-49f9-aa3a-a584e5155efe/","source":"contact@wpscan.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-103311","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}