WP Simple Booking Calendar vulnerabilities
Plugin slug wp-simple-booking-calendar · 4 known vulnerabilities · latest disclosed 2025-04-16 · WordPress.org page
Every listed vulnerability has a fix. Version 2.0.14 or later is not affected by any of them. If your site runs an older version, update it.
1 of 4 rated high or critical (CVSS 7 or more).
Known vulnerabilities in WP Simple Booking Calendar
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.3 | <= 2.0.13 | 2.0.14 | CVE-2025-39541 | 2025-04-16 | Advisory |
| Medium 6.1 | <= 2.0.10 | 2.0.11 | CVE-2024-8663 | 2024-09-12 | Advisory |
| Medium 4.3 | <= 2.0.8.4 | 2.0.8.5 | CVE-2023-51525 | 2023-12-27 | Advisory |
| High 8.8 | <= 2.0.6 | 2.0.7 | CVE-2021-24726 | 2021-08-06 | Advisory |
Check if a site is affected
Enter a site address to see which version of WP Simple Booking Calendar and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the WP Simple Booking Calendar plugin safe to use?
All 4 known issues are fixed in current versions (2.0.14 or later). Keeping it updated is what matters.
How do I check which version of WP Simple 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.