{"id":"CVE-2026-86841","aliases":["EUVD-2026-87891","GHSA-ggx5-r53p-pf97"],"status":"published","title":"Bookly 23.2 - 28.2 - Bookly Administrator+ PHP Object Injection via Diagnostics Advanced Options","description":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not prevent deserialization of untrusted input and does not correctly restrict a privileged maintenance feature to administrators, allowing users granted a custom booking-management capability, which an administrator must explicitly assign, to inject arbitrary PHP objects, overwrite privileged site options, and read stored integration secrets.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00222,"percentile":0.12989,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"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/2150717e-7564-4b29-b2e7-362dd3b480c3/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86841"},{"url":"https://wpscan.com/vulnerability/2150717e-7564-4b29-b2e7-362dd3b480c3"},{"url":"https://github.com/advisories/GHSA-ggx5-r53p-pf97"}],"sources":{"cve":[{"id":"CVE-2026-86841","title":"Bookly 23.2 - 28.2 - Bookly Administrator+ PHP Object Injection via Diagnostics Advanced Options","description":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not prevent deserialization of untrusted input and does not correctly restrict a privileged maintenance feature to administrators, allowing users granted a custom booking-management capability, which an administrator must explicitly assign, to inject arbitrary PHP objects, overwrite privileged site options, and read stored integration secrets.","status":"published","published":"2026-09-27T06:00:20.482Z","modified":"2026-09-28T00:48:08.749Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T13:49:53.818886Z"}],"euvd":[{"id":"EUVD-2026-87891","description":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not prevent deserialization of untrusted input and does not correctly restrict a privileged maintenance feature to administrators, allowing users granted a custom booking-management capability, which an administrator must explicitly assign, to inject arbitrary PHP objects, overwrite privileged site options, and read stored integration secrets.","status":"published","published":"2026-09-27T06:00:20Z","modified":"2026-09-28T00:48:08Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T17:27:54.286776Z"}],"ghsa":[{"id":"GHSA-ggx5-r53p-pf97","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 prevent deserialization of untrusted input and does not correctly restrict a privileged maintenance feature to administrators, allowing users granted a custom booking-management capability, which an administrator must explicitly assign, to inject arbitrary PHP objects, overwrite privileged site options, and read stored integration secrets.","status":"published","published":"2026-09-27T06:30:21Z","modified":"2026-09-28T03:30:27Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:12:31.359269Z"}],"nvd":[{"id":"CVE-2026-86841","description":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not prevent deserialization of untrusted input and does not correctly restrict a privileged maintenance feature to administrators, allowing users granted a custom booking-management capability, which an administrator must explicitly assign, to inject arbitrary PHP objects, overwrite privileged site options, and read stored integration secrets.","status":"published","published":"2026-09-27T06:17:17.293Z","modified":"2026-09-28T16:38:58.95Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:52.081323Z"}]}}