{"id":"CVE-2026-86839","aliases":["EUVD-2026-87890","GHSA-36wf-cx88-gfjh"],"status":"published","title":"Bookly \u003c 28.3 - Staff+ Appointment and Payment Disclosure, Modification and Deletion via IDOR","description":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not verify that appointment and payment records requested through its staff-role AJAX actions belong to the requesting staff member, allowing authenticated attackers with a staff-level account to view, modify and delete other staff members' appointments and payments, including the associated customer's personal information.","severity":{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00169,"percentile":0.0637,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-09-27T06:00:20Z","modified":"2026-09-28T16:38:58Z","products":[{"vendor":"unknown","product":"online scheduling and appointment booking system"}],"references":[{"url":"https://wpscan.com/vulnerability/3ab8b879-3ef7-4aa4-8620-1bde99697dcb/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86839"},{"url":"https://wpscan.com/vulnerability/3ab8b879-3ef7-4aa4-8620-1bde99697dcb"},{"url":"https://github.com/advisories/GHSA-36wf-cx88-gfjh"}],"sources":{"cve":[{"id":"CVE-2026-86839","title":"Bookly \u003c 28.3 - Staff+ Appointment and Payment Disclosure, Modification and Deletion via IDOR","description":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not verify that appointment and payment records requested through its staff-role AJAX actions belong to the requesting staff member, allowing authenticated attackers with a staff-level account to view, modify and delete other staff members' appointments and payments, including the associated customer's personal information.","status":"published","published":"2026-09-27T06:00:20.309Z","modified":"2026-09-28T00:48:08.876Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"adp"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:49:42.666099Z"}],"euvd":[{"id":"EUVD-2026-87890","description":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not verify that appointment and payment records requested through its staff-role AJAX actions belong to the requesting staff member, allowing authenticated attackers with a staff-level account to view, modify and delete other staff members' appointments and payments, including the associated customer's personal information.","status":"published","published":"2026-09-27T06:00:20Z","modified":"2026-09-28T00:48:08Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T17:27:54.286776Z"}],"ghsa":[{"id":"GHSA-36wf-cx88-gfjh","title":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not...","description":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not verify that appointment and payment records requested through its staff-role AJAX actions belong to the requesting staff member, allowing authenticated attackers with a staff-level account to view, modify and delete other staff members' appointments and payments, including the associated customer's personal information.","status":"published","published":"2026-09-27T06:30:21Z","modified":"2026-09-28T03:31:28Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:12:31.359269Z"}],"nvd":[{"id":"CVE-2026-86839","description":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not verify that appointment and payment records requested through its staff-role AJAX actions belong to the requesting staff member, allowing authenticated attackers with a staff-level account to view, modify and delete other staff members' appointments and payments, including the associated customer's personal information.","status":"published","published":"2026-09-27T06:17:14.18Z","modified":"2026-09-28T16:38:58.95Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:52.081323Z"}]}}