{"schema":"threatline.record/2","record":{"id":"CVE-2026-86839","aliases":[],"summary":"Bookly < 28.3 - Staff+ Appointment and Payment Disclosure, Modification and Deletion via IDOR","details":"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.","categories":["Unclassified"],"product":"Online Scheduling and Appointment Booking System","vendor":"Unknown","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86839","source_modified_at":"2026-09-28T00:48:08.876Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Online Scheduling and Appointment Booking System","vendor":"Unknown","versions":[{"status":"affected","versionType":"semver","version":"0","lessThan":"28.3"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86839","source_modified_at":"2026-09-28T00:48:08.876Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Online Scheduling and Appointment Booking System","ecosystem":null},"version":"28.3","basis":"first unaffected version stated in the CVE record"}],"cvss":3.8,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.00152,"percentile":0.04051,"score_date":"2026-10-23"},"published_at":"2026-09-27T06:00:20.309Z","modified_at":"2026-09-28T00:48:08.876Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-86839","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-28T00:48:08.876Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-86839","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://wpscan.com/vulnerability/3ab8b879-3ef7-4aa4-8620-1bde99697dcb/","tags":["exploit","vdb-entry","technical-description"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-28T00:39:41.040285Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-28T00:48:08.876Z","content_hash":"8fd7f24941eada2986d9dd823d66b54c9e54cf0e0d1ea5732ab9438f71c26799"}}