WP Booking System – Booking Calendar vulnerabilities
Plugin slug wp-booking-system · 17 known vulnerabilities · latest disclosed 2026-11-02 · WordPress.org page
Every listed vulnerability has a fix. Version 2.1.0.7 or later is not affected by any of them. If your site runs an older version, update it.
5 of 17 rated high or critical (CVSS 7 or more).
Known vulnerabilities in WP Booking System – Booking Calendar
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.2 | <= 2.1.0.6 | 2.1.0.7 | CVE-2026-57639 | 2026-11-02 | Advisory |
| Critical 9.1 | <= 2.1.0.5 | 2.1.0.6 | CVE-2026-116557 | 2026-10-30 | Advisory |
| Medium 6.1 | <= 2.1.0.2 | 2.1.0.3 | CVE-2026-109147 | 2026-10-19 | Advisory |
| Medium 6.8 | <= 2.1.0.3 | 2.1.0.4 | CVE-2026-109369 | 2026-10-16 | Advisory |
| Medium 6.5 | <= 2.1.0.3 | 2.1.0.4 | CVE-2026-109368 | 2026-10-16 | Advisory |
| High 7.5 | <= 2.1.0.3 | 2.1.0.4 | CVE-2026-108123 | 2026-10-16 | Advisory |
| Medium 4.9 | <= 2.1.0.1 | 2.1.0.2 | CVE-2026-111178 | 2026-10-15 | Advisory |
| High 7.2 | < 2.1.0.1 | 2.1.0.1 | CVE-2026-107126 | 2026-10-14 | Advisory |
| Medium 6.5 | <= 2.1.0.1 | 2.1.0.2 | CVE-2026-107712 | 2026-10-09 | Advisory |
| Medium 5.3 | <= 2.0.19.12 | 2.0.19.13 | CVE-2025-68515 | 2026-03-04 | Advisory |
| Medium 4.3 | <= 2.0.19.10 | 2.0.19.11 | CVE-2024-50425 | 2024-10-24 | Advisory |
| Medium 6.1 | <= 2.0.19.8 | 2.0.19.9 | CVE-2024-8797 | 2024-09-13 | Advisory |
| Medium 4.3 | <= 2.0.19.2 | 2.0.19.3 | CVE-2023-49758 | 2023-12-04 | Advisory |
| Medium 4.4 | <= 2.0.18 | 2.0.18.1 | CVE-2023-24402 | 2023-02-02 | Advisory |
| Medium 6.1 | < 2.0.15 | 2.0.15 | CVE-2021-25061 | 2021-12-10 | Advisory |
| Critical 9.8 | < 1.5.2 | 1.5.2 | CVE-2019-12239 | 2019-05-22 | Advisory |
| Medium 6.1 | < 1.4 | 1.4 | CVE-2017-2168 | 2017-05-16 | Advisory |
Check if a site is affected
Enter a site address to see which version of WP Booking System – Booking Calendar and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the WP Booking System – Booking Calendar plugin safe to use?
All 17 known issues are fixed in current versions (2.1.0.7 or later). Keeping it updated is what matters.
How do I check which version of WP Booking System – Booking 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.