{"id":"CVE-2026-78265","title":"Unauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 versions.","summary":"Unauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 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":"2026-08-24","updated":"2026-10-12","sourceUpdated":"2026-10-12T15:10:00.207","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78265","references":[{"url":"https://patchstack.com/database/wordpress/plugin/the-events-calendar/vulnerability/wordpress-the-events-calendar-plugin-6-17-2-php-object-injection-vulnerability?_s_id=cve","label":"audit@patchstack.com"}],"tags":["nvd"],"epss":0.00564,"epssPercentile":0.45247,"ingestedAt":"2026-10-12T15:55:08.139Z","slug":"CVE-2026-78265","body":"## Overview\n\nUnauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 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":[]}