{"id":"CVE-2026-16582","title":"The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to unauthorized modification of data in all versions up to, and including, 2.4.5","summary":"The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to unauthorized modification of data in all versions up to, and including, 2.4.5. This is due to the plugin accepting a client-supplied package-…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-862"],"vendor":"melograno","product":"Booking for Appointments and Events Calendar – Amelia","affected":["booking_for_appointments_and_events_calendar_amelia <= 2.4.5"],"published":"2026-09-17","updated":"2026-09-18","sourceUpdated":"2026-09-18T15:17:06.040","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-16582","references":[{"url":"https://plugins.trac.wordpress.org/changeset/3640186","label":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/9e0c6f83-f4ca-4891-b2db-e2ac49d96ee5?source=cve","label":"security@wordfence.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-18T14:39:58.944659Z"},"epss":0.0023,"epssPercentile":0.12302,"ingestedAt":"2026-09-17T22:30:21.396Z","slug":"CVE-2026-16582","body":"## Overview\n\nThe Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to unauthorized modification of data in all versions up to, and including, 2.4.5. This is due to the plugin accepting a client-supplied package-redemption identifier as proof of payment without validating it. This makes it possible for unauthenticated attackers to create approved appointment bookings without completing payment\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}