{"id":"CVE-2026-86841","published":"2026-09-27T06:17:17.293","lastModified":"2026-09-28T16:38:58.950","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.","cvssScore":4.7,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","cwes":["CWE-502"],"vendors":[],"products":[],"references":[{"url":"https://wpscan.com/vulnerability/2150717e-7564-4b29-b2e7-362dd3b480c3/","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}