{"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":"2026-10-13","sourceUpdated":"2026-10-13T13:28:15.717","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","cve.org"],"epss":0.00304,"epssPercentile":0.2306,"ingestedAt":"2026-10-10T20:31:30.677Z","vendor":"axiomthemes","product":"FC United","affected":["fc_united >= n/a <= 1.1.1"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-11T11:49:26.845984Z"},"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":0.1,"exploitation":0,"ransomware":0},"changes":[]}