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As of 10/25/2026, Booking Calendar recorded 6 security vulnerabilities in the last 90 days, of which 1 is rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of Booking Calendar and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-18496Booking Calendar <= 11.4.3 - Unauthenticated Sensitive Information Exposure in 'WPBC_FLEXTIMELINE_NAV' AJAX ActionCVE-2026-39601WordPress Booking Calendar plugin <= 11.8.4 - Race Condition vulnerabilityCVE-2026-93655Booking Calendar <= 11.8.3 - Reflected Cross-Site Scripting via 'wpbc_auto_fill' ParameterCVE-2026-92561Booking Calendar <= 11.8.2 - Reflected Cross-Site Scripting via 'options' ParameterCVE-2026-92619Booking Calendar <= 11.8.2 - Authenticated (Editor+) Privilege Escalation to 'data_name' Parameter26 Results | Page 1 of 3