{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18391","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","state":"PUBLISHED","assignerShortName":"WPScan","dateReserved":"2026-07-30T14:11:55.443Z","datePublished":"2026-08-12T06:00:17.487Z","dateUpdated":"2026-08-12T19:40:07.711Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","shortName":"WPScan","dateUpdated":"2026-08-12T06:00:17.487Z"},"title":"WooCommerce Subscriptions < 9.1.0 - Unauthenticated RCE via PHP Object Injection","problemTypes":[{"descriptions":[{"description":"CWE-94 Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}]}],"affected":[{"vendor":"Unknown","product":"WooCommerce Subscriptions","versions":[{"status":"affected","versionType":"semver","version":"4.7.0","lessThan":"9.1.0"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The WooCommerce Subscriptions WordPress plugin before 9.1.0 does not validate user input before unserializing it on stores with High-Performance Order Storage enabled, leading to a PHP Object Injection issue which unauthenticated users can escalate to Remote Code Execution via a gadget chain present in the bundled dependencies."}],"references":[{"url":"https://wpscan.com/vulnerability/191f76cf-e5bd-4a37-ac1c-9187cea2aa27/","tags":["exploit","vdb-entry","technical-description"]}],"credits":[{"lang":"en","value":"Vasily Belolapotkov","type":"finder"},{"lang":"en","value":"Vlad Olaru","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-434","lang":"en","description":"CWE-434 Unrestricted Upload of File with Dangerous Type"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T19:39:49.283713Z","id":"CVE-2026-18391","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-12T19:40:07.711Z"}}]}}