{"schema":"threatline.record/2","record":{"id":"CVE-2026-18496","aliases":[],"summary":"Booking Calendar <= 11.4.3 - Unauthenticated Sensitive Information Exposure in 'WPBC_FLEXTIMELINE_NAV' AJAX Action","details":"The Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 11.4.3 via the wpbc_is_show_popover_in_flex_timeline() function. This makes it possible for unauthenticated attackers to extract sensitive data including names, email addresses, and phone numbers of customers who have made bookings.","categories":["Unclassified"],"product":"Booking Calendar","vendor":"wpdevelop","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-18496","source_modified_at":"2026-10-11T16:55:18.578Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Booking Calendar","vendor":"wpdevelop","versions":[{"version":"0","status":"affected","lessThanOrEqual":"11.4.3","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00214,"percentile":0.11185,"score_date":"2026-10-23"},"published_at":"2026-10-10T05:30:55.792Z","modified_at":"2026-10-11T16:55:18.578Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-18496","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-11T16:55:18.578Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-18496","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/1ebfb030-c9b7-477a-8fe3-78e97da6bea9?source=cve"},{"source":"CVE List","url":"https://plugins.trac.wordpress.org/changeset/3633943/booking"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-11T16:41:38.015892Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-11T16:55:18.578Z","content_hash":"d1896796908e03c76ab1e1bf68af0afb5079bd17b4ba790b85e35e9651fff163"}}