{"schemaVersion":3,"id":"CVE-2026-100163","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Authentication Bypass in versions up to, and including, 5.7.2 via the OsCustomerHelper::create_wp_user_for_customer() helper reached from the public process_step_customer() booking step. When the 'Use WordPress users as customers' option is enabled, the helper falls back from email_exists() to username_exists( $customer->email ), which matches any WordPress user whose user_login equals the victim customer's email even when that user's user_email is completely different, and links that WordPress user's ID into the victim's LatePoint customer row (only privileged roles are excluded; Subscriber is allowed). This makes it possible for authenticated attackers, with Subscriber-level access and above, to take over another customer's LatePoint account — accessing their bookings, service, agent, and calendar data, and having the victim customer's email overwritten with the attacker's on next login — by holding a Subscriber account whose user_login equals the victim's email and submitting an unauthenticated public booking step registration request.","dates":{"published":"2026-10-14T07:43:31.547Z","modified":"2026-10-14T17:41:31.054Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.4,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.4,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.4,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"wordfence","score":7.4,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00444,"percentile":0.375,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-14T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00444,"percentile":0.375}],"last30":[{"date":"2026-10-14T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00444,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00444,"percentile":0.375}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-287","name":"Improper 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