{"id":"CVE-2026-103319","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-103319","generatedAt":"2026-10-28T01:12:01.203Z","title":"The OPay Payment Gateway for WooCommerce WordPress plugin through 2.5.5 does not properly verify that payment notifications originate from the payment provider, as the secret used to validate their signature is empty by default, allowing unauthenticated…","description":"The OPay Payment Gateway for WooCommerce WordPress plugin through 2.5.5 does not properly verify that payment notifications originate from the payment provider, as the secret used to validate their signature is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid, cancelled or failed.","published":"2026-10-26T07:17:07.000Z","lastModified":"2026-10-26T13:50:14.000Z","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-287"],"affected":[],"epss":{"score":0.00137,"percentile":0.0306,"date":"2026-10-26","history":[{"date":"2026-10-26","score":0.00137,"percentile":0.0306}]},"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 (0.14%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-26T13:15:34.000Z","detail":{"from":null,"score":"5.3","severity":"MEDIUM","fromSeverity":null},"summary":"Now scored CVSS 5.3 MEDIUM."},{"kind":"new","label":"New CVE","at":"2026-10-26T07:17:07.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-26T07:17:07.193Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://wpscan.com/vulnerability/c07f15a0-3c15-429f-bcde-1511ad658c6c/","source":"contact@wpscan.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-103319","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."}