WordPress security by component

Booking Calendar – Event Calendar

Plugin description

Booking Calendar – Event Calendar provides booking calendars and reservation management for WordPress websites.

Booking Calendar – Event Calendar (hbook) is a WordPress plugin with 1 published CVE record in this archive. The latest tracked vulnerability was published May 27, 2026; the highest published CVSS base score is 7.2.

Plugin slug: hbook

Latest vulnerability

CVE-2026-8143: Booking Calendar – Event Calendar: Cross-site scripting

Booking Calendar – Event Calendar is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 2.1.6.

PublishedMay 27, 2026

Safe version guidanceSee mitigation notes

Published vulnerabilities for hbook
		Safe version
May 27, 2026	CVE-2026-8143 Booking Calendar – Event Calendar: Cross-site scripting Booking Calendar – Event Calendar is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 2.1.6.	See mitigation notes	CVE7.2

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