Booking Manager – Sync WP Booking Calendar – Import Events, Export Bookings to ICS Calendar vulnerabilities
Plugin slug booking-manager · 7 known vulnerabilities · latest disclosed 2026-09-21 · WordPress.org page
Every listed vulnerability has a fix. Version 2.1.21 or later is not affected by any of them. If your site runs an older version, update it.
1 of 7 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Booking Manager – Sync WP Booking Calendar – Import Events, Export Bookings to ICS Calendar
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.3 | <= 2.1.20 | 2.1.21 | CVE-2026-91025 | 2026-09-21 | Advisory |
| Medium 6.5 | <= 2.1.20 | 2.1.21 | CVE-2026-91024 | 2026-09-21 | Advisory |
| Medium 6.4 | <= 2.1.18 | 2.1.19 | CVE-2026-42751 | 2026-05-29 | Advisory |
| Medium 6.4 | <= 2.1.17 | 2.1.18 | CVE-2025-64275 | 2025-11-04 | Advisory |
| Medium 5.3 | <= 2.1.14 | 2.1.15 | CVE-2025-10124 | 2025-09-19 | Advisory |
| High 8.8 | < 2.1.6 | 2.1.6 | CVE-2023-50840 | 2023-12-21 | Advisory |
| Medium 6.3 | <= 2.0.28 | 2.0.29 | CVE-2023-1977 | 2023-04-26 | Advisory |
Check if a site is affected
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Questions
Is the Booking Manager – Sync WP Booking Calendar – Import Events, Export Bookings to ICS Calendar plugin safe to use?
All 7 known issues are fixed in current versions (2.1.21 or later). Keeping it updated is what matters.
How do I check which version of Booking Manager – Sync WP Booking Calendar – Import Events, Export Bookings to ICS Calendar my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.