Known vulnerabilities in Booking Calendar

WP Booking Calendar plugin for full-day bookings, time-slot appointments, rentals & events. Accept bookings and inquiries with flexible contact forms

21Reported vulnerabilities

8.8Highest CVSS score

11.5Latest version

50,000+Active installs

What to do now

Update Booking Calendar to 11.4.3 or later. 21 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 4, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
WF-6f36d866-aa94-478b-8b62-0906bc95e413	High 8.8	—	Before 6.2.1	`6.2.1`	August 1, 2016
WF-e865324e-a2a2-40fb-8c6a-a89317b59c8c	High 8.8	—	Before 6.2.1	`6.2.1`	August 1, 2016
CVE-2025-14383	High 7.5	0.4%	0 to 10.14.8 (inclusive)	`10.14.9`	December 15, 2025
CVE-2026-59558	High 7.2	0.2%	11.4.2 and earlier	`11.4.3`	July 27, 2026
WF-ef9d256b-9156-4172-8892-29a26beddb71	High 7.2	—	Before 6.2.1	`6.2.1`	August 1, 2016
CVE-2023-23991	Medium 6.6	0.5%	9.4.2 and earlier	`9.4.3.1`	January 20, 2023
CVE-2023-51520	Medium 6.4	0.3%	Before 9.7.4	`9.7.4`	September 25, 2023
CVE-2025-12804	Medium 6.4	0.2%	0 to 10.14.6 (inclusive)	`10.14.7`	December 5, 2025
CVE-2025-64381	Medium 6.4	0.2%	10.14.7 and earlier	`10.14.8`	November 13, 2025
CVE-2025-9346	Medium 6.4	0.2%	0 to 10.14.1 (inclusive)	`10.14.2`	August 28, 2025
CVE-2024-8274	Medium 6.1	0.5%	Before 10.5.1	`10.5.1`	August 30, 2024
CVE-2025-4669	Medium 5.4	0.3%	10.11.1 and earlier	`10.11.2`	May 17, 2025
CVE-2024-13323	Medium 5.4	0.4%	Before 10.9.3	`10.9.3`	January 14, 2025
CVE-2024-6930	Medium 5.4	0.3%	Before 10.2.2	`10.2.2`	July 24, 2024
CVE-2026-1431	Medium 5.3	0.3%	0 to 10.14.13 (inclusive)	`10.14.14`	January 31, 2026
CVE-2025-14146	Medium 5.3	0.4%	0 to 10.14.10 (inclusive)	`10.14.11`	January 9, 2026
CVE-2026-32358	Medium 4.9	0.3%	10.14.15 and earlier	`10.14.16`	February 14, 2026
CVE-2026-2230	Medium 4.3	0.2%	0 to 10.14.14 (inclusive)	`10.14.15`	February 18, 2026
CVE-2025-14982	Medium 4.3	0.4%	0 to 10.14.11 (inclusive)	`10.14.12`	January 16, 2026
CVE-2022-33177	Medium 4.3	0.3%	9.2.1 and earlier	`9.2.2`	September 6, 2022
WF-f0b25726-0b8e-4fce-a986-5f1e176da75a	Medium 4.3	—	Before 4.1.6	`4.1.6`	August 1, 2014

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.