{"id":"CVE-2026-66672","aliases":["EUVD-2026-63303","GHSA-mwfw-263q-69wc"],"status":"published","title":"WordPress Flatastic theme \u003c= 2.0 - PHP Object Injection vulnerability","description":"Unauthenticated PHP Object Injection in Flatastic \u003c= 2.0 versions.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00564,"percentile":0.47197,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-08-20T12:07:14Z","modified":"2026-08-20T15:18:18Z","products":[{"vendor":"monkeysan","product":"flatastic"}],"references":[{"url":"https://patchstack.com/database/wordpress/theme/flatastic/vulnerability/wordpress-flatastic-theme-2-0-php-object-injection-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66672"},{"url":"https://github.com/advisories/GHSA-mwfw-263q-69wc"}],"sources":{"cve":[{"id":"CVE-2026-66672","title":"WordPress Flatastic theme \u003c= 2.0 - PHP Object Injection vulnerability","description":"Unauthenticated PHP Object Injection in Flatastic \u003c= 2.0 versions.","status":"published","published":"2026-08-20T12:07:14.963Z","modified":"2026-08-20T14:34:23.631Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-63303","description":"Unauthenticated PHP Object Injection in Flatastic \u003c= 2.0 versions.","status":"published","published":"2026-08-20T12:07:14Z","modified":"2026-08-20T14:34:23Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:40.451894Z"}],"ghsa":[{"id":"GHSA-mwfw-263q-69wc","title":"Unauthenticated PHP Object Injection in Flatastic \u003c= 2.0 versions.","description":"Unauthenticated PHP Object Injection in Flatastic \u003c= 2.0 versions.","status":"published","published":"2026-08-20T12:31:24Z","modified":"2026-08-20T12:31:25Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:10:45.95343Z"}],"nvd":[{"id":"CVE-2026-66672","description":"Unauthenticated PHP Object Injection in Flatastic \u003c= 2.0 versions.","status":"published","published":"2026-08-20T12:16:35.57Z","modified":"2026-08-20T15:18:18.43Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:40.302911Z"}]}}