Known vulnerabilities in Booking Manager – Sync WP Booking Calendar – Import Events, Export Bookings to ICS Calendar

Showing events listing from .ics feeds or sync bookings from different sources to your website

5Reported vulnerabilities

8.8Highest CVSS score

2.1.20Latest version

5,000+Active installs

What to do now

Update Booking Manager – Sync WP Booking Calendar – Import Events, Export Bookings to ICS Calendar to 2.1.19 or later. 5 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 28, 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-2023-1977	High 8.8	0.8%	Before 2.0.29	`2.0.29`	August 16, 2023
CVE-2023-50840	High 8.8	0.5%	Before 2.1.6	`2.1.6`	December 21, 2023
CVE-2026-42751	Medium 6.4	0.1%	2.1.18 and earlier	`2.1.19`	May 29, 2026
CVE-2025-64275	Medium 6.4	0.2%	2.1.17 and earlier	`2.1.18`	November 4, 2025
CVE-2025-10124	Medium 5.3	0.2%	2.1.14 and earlier	`2.1.15`	September 19, 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.