{"id":"CVE-2026-66565","title":"Unauthenticated PHP Object Injection in FC United <= 1.1.1 versions.","summary":"Unauthenticated PHP Object Injection in FC United <= 1.1.1 versions.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-502"],"published":"2026-10-10","updated":"2026-10-10","sourceUpdated":"2026-10-10T20:16:45.980","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-66565","references":[{"url":"https://patchstack.com/database/wordpress/theme/fcunited/vulnerability/wordpress-fc-united-theme-1-1-1-php-object-injection-vulnerability?_s_id=cve","label":"audit@patchstack.com"}],"tags":["nvd"],"ingestedAt":"2026-10-10T20:31:30.677Z","slug":"CVE-2026-66565","body":"## Overview\n\nUnauthenticated PHP Object Injection in FC United <= 1.1.1 versions.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}