{"schema":"threatline.record/2","record":{"id":"CVE-2026-86838","aliases":[],"summary":"Bookly < 28.3 - Unauthenticated Payment Bypass via Booking Price Manipulation","details":"The Bookly WordPress plugin before 28.3 does not validate client-supplied booking quantity values on the server before computing the appointment total, allowing unauthenticated users to reduce the total to zero and book paid services for free while bypassing the payment step.","categories":["Unclassified"],"product":"Bookly","vendor":"Unknown","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86838","source_modified_at":"2026-09-28T15:32:11.498Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Bookly","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-2026-86838","source_modified_at":"2026-09-28T15:32:11.498Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Bookly","ecosystem":null},"version":"28.3","basis":"first unaffected version stated in the CVE record"}],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00217,"percentile":0.11505,"score_date":"2026-10-23"},"published_at":"2026-09-28T06:19:20.567Z","modified_at":"2026-09-28T15:32:11.498Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-86838","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-28T15:32:11.498Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-86838","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/1c8a53e7-5556-4dcb-a461-c6df253d0b7a/","tags":["exploit","vdb-entry","technical-description"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-09-28T15:31:38.695367Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-28T15:32:11.498Z","content_hash":"a4f4fb80b12670cce9be2aa76a4dc5f7ae07c24d05fd33167033d91efa80c225"}}