Known vulnerabilities in TrueBooker – Appointment Booking and Scheduler System

Book appointments, create booking with TrueBooker. Easily create appointments, manage time and dates and send out emails.

21Reported vulnerabilities

9.8Highest CVSS score

1.2.8Latest version

600+Active installs

What to do now

Update TrueBooker – Appointment Booking and Scheduler System to 1.2.4 or later. 20 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 17, 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
CVE-2024-6924	Critical 9.8	3.3%	1.0.2 and earlier	`1.0.4`	September 8, 2024
CVE-2026-18315	Critical 9.8	2.2%	0 to 1.2.6 (inclusive)	`1.2.7`	August 19, 2026
CVE-2026-14349	Critical 9.8	0.4%	1.2.3 and earlier	`1.2.4`	September 15, 2026
CVE-2026-16142	Critical 9.8	0.7%	0 to 1.2.6 (inclusive)	`1.2.7`	August 15, 2026
CVE-2026-14365	Critical 9.8	0.6%	0 to 1.2.3 (inclusive)	`1.2.4`	August 7, 2026
CVE-2026-14364	Critical 9.8	0.5%	0 to 1.2.3 (inclusive)	`1.2.4`	August 7, 2026
CVE-2026-61951	Critical 9.8	0.5%	1.2.3 and earlier	`1.2.4`	July 17, 2026
CVE-2024-6925	Medium 4.3	0.2%	1.0.2 and earlier	`1.0.3`	September 8, 2024
CVE-2026-13161	High 7.5	0.8%	0 to 1.2.2 (inclusive)	`1.2.3`	July 28, 2026
CVE-2026-61950	High 7.5	0.4%	1.2.3 and earlier	`1.2.4`	July 16, 2026
CVE-2026-18776	High 7.3	0.5%	Before 1.2.7	`1.2.7`	August 21, 2026
CVE-2026-73347	High 7.3	0.5%	1.2.6 and earlier	`1.2.7`	August 19, 2026
CVE-2026-39798	Medium 5.3	0.3%	1.2.9 and earlier	—	October 5, 2026
CVE-2026-18777	Medium 5.3	0.3%	Before 1.2.7	`1.2.7`	August 21, 2026
CVE-2026-18778	Medium 5.3	0.3%	Before 1.2.7	`1.2.7`	August 21, 2026
CVE-2026-18779	Medium 5.3	0.3%	Before 1.2.7	`1.2.7`	August 21, 2026
CVE-2026-48881	Medium 5.3	0.4%	1.1.9 and earlier	`1.2.0`	June 2, 2026
CVE-2026-1797	Medium 5.3	0.2%	0 to 1.1.4 (inclusive)	`1.1.5`	March 31, 2026
CVE-2026-39663	Medium 5.3	0.3%	1.1.6 and earlier	`1.1.7`	February 18, 2026
CVE-2025-67581	Medium 5.3	0.2%	1.1.0 and earlier	`1.1.1`	December 15, 2025
CVE-2025-47543	Medium 4.3	0.2%	1.0.7 and earlier	`1.0.8`	May 7, 2025

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