Software intelligence
Important: Booking Calendar appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works
Tracked advisories
23
Latest advisory
18 August 2026
CISA KEV matches
0
In this WordPress feed
WordPress slug
booking-calendar
Plugin
This catalog lists 23 known advisories affecting Booking Calendar. The most recent was published on 18 August 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.
Booking calendar, Appointment Booking System <= 3.2.36 - Unauthenticated Insecure Direct Object Reference
This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Published 18 August 2026
Booking calendar, Appointment Booking System <= 3.2.36 - Unauthenticated Stored Cross-Site Scripting
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 17 August 2026
Booking calendar, Appointment Booking System <= 3.2.36 - Missing Authorization to Unauthenticated Arbitrary Modification via wpdevart_payment AJAX Action
This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Published 14 August 2026
Known Booking Calendar advisories published by month.
CVE-2023-24373 · Published 27 January 2023
Affected versions: ≤ 3.2.3
CVE-2023-24388 · Published 27 January 2023
Affected versions: ≤ 3.2.3
CVE-2022-3982 · Published 21 November 2022
Affected versions: ≤ 3.2.1
CVE-2018-10363 · Published 7 June 2018
Affected versions: ≤ 2.2.2
CVE-2018-5673 · Published 12 January 2018
Affected versions: < 2.1.8
CVE-2018-5670 · Published 11 January 2018
Affected versions: < 2.1.8
CVE-2018-5672 · Published 11 January 2018
Affected versions: < 2.1.8
CVE-2018-5671 · Published 11 January 2018
Affected versions: < 2.1.8
SiteRespond Defence matches your installed Booking Calendar version against this catalog when the Defence plugin is connected to your WordPress site.