Online Scheduling and Appointment Booking System – Bookly vulnerabilities
Plugin slug bookly-responsive-appointment-booking-tool · 32 known vulnerabilities · latest disclosed 2026-10-09 · WordPress.org page
Every listed vulnerability has a fix. Version 28.5 or later is not affected by any of them. If your site runs an older version, update it.
13 of 32 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Online Scheduling and Appointment Booking System – Bookly
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.2 | <= 28.2 | 28.3 | CVE-2026-12626 | 2026-10-09 | Advisory |
| Medium 6.8 | <= 28.4 | 28.5 | CVE-2026-104898 | 2026-10-09 | Advisory |
| Medium 5.3 | <= 28.4 | 28.5 | CVE-2026-103365 | 2026-10-09 | Advisory |
| Medium 5.3 | <= 28.2 | 28.3 | CVE-2026-86838 | 2026-09-25 | Advisory |
| High 7.5 | 23.2 to 28.2 | 28.3 | CVE-2026-86841 | 2026-09-25 | Advisory |
| Medium 4.3 | <= 28.2 | 28.3 | CVE-2026-86839 | 2026-09-25 | Advisory |
| Medium 5.3 | <= 28.2 | 28.3 | CVE-2026-86837 | 2026-09-25 | Advisory |
| Critical 9.1 | <= 28.2 | 28.3 | CVE-2026-93399 | 2026-09-24 | Advisory |
| Medium 5.3 | <= 28.2 | 28.3 | CVE-2026-92799 | 2026-09-24 | Advisory |
| Medium 5.3 | <= 28.2 | 28.3 | CVE-2026-96348 | 2026-09-24 | Advisory |
| Medium 4.3 | <= 28.2 | 28.3 | CVE-2026-96347 | 2026-09-24 | Advisory |
| Medium 5.3 | <= 28.1 | 28.2 | CVE-2026-91847 | 2026-09-17 | Advisory |
| High 7.5 | <= 28.1 | 28.2 | CVE-2026-89063 | 2026-09-15 | Advisory |
| Medium 5.4 | <= 27.2 | 27.3 | CVE-2026-2520 | 2026-09-07 | Advisory |
| High 7.2 | <= 27.7 | 28.0 | CVE-2026-13424 | 2026-08-15 | Advisory |
| Medium 4.3 | <= 27.7 | 28.0 | CVE-2026-12905 | 2026-08-15 | Advisory |
| High 7.5 | < 27.8 | 27.8 | CVE-2026-13395 | 2026-08-03 | Advisory |
| High 7.5 | <= 27.7 | 27.8 | CVE-2026-14516 | 2026-07-27 | Advisory |
| High 7.2 | <= 27.7 | 27.8 | CVE-2026-61944 | 2026-07-16 | Advisory |
| High 7.5 | <= 27.7 | 27.8 | CVE-2026-61949 | 2026-07-16 | Advisory |
| High 7.2 | <= 27.2 | 27.3 | CVE-2026-5513 | 2026-06-12 | Advisory |
| Medium 5.3 | <= 27.4 | 27.5 | CVE-2026-42667 | 2026-05-10 | Advisory |
| Medium 5.3 | <= 27.0 | 27.1 | CVE-2026-2519 | 2026-04-08 | Advisory |
| Medium 6.1 | <= 26.7 | 26.8 | CVE-2026-32540 | 2026-03-20 | Advisory |
| Medium 6.4 | <= 23.2 | 23.3 | CVE-2024-5584 | 2024-06-10 | Advisory |
| Medium 4.4 | <= 22.4.1 | 22.5 | CVE-2023-5209 | 2023-11-06 | Advisory |
| Medium 6.6 | <= 22.3.1 | 22.4 | CVE-2023-4691 | 2023-09-25 | Advisory |
| Medium 4 | 21.7 | 21.8 | CVE-2023-1159 | 2023-06-01 | Advisory |
| High 8.1 | <= 21.7.1 | 21.8 | CVE-2023-26526 | 2023-05-11 | Advisory |
| High 7.2 | 21.5 | 21.5.1 | CVE-2023-1172 | 2023-03-17 | Advisory |
| Medium 5.4 | <= 20.3 | 20.3.1 | CVE-2021-24930 | 2021-11-08 | Advisory |
| High 7.2 | <= 14.5 | 14.6 | CVE-2018-6891 | 2018-02-10 | Advisory |
Check if a site is affected
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Questions
Is the Online Scheduling and Appointment Booking System – Bookly plugin safe to use?
All 32 known issues are fixed in current versions (28.5 or later). Keeping it updated is what matters.
How do I check which version of Online Scheduling and Appointment Booking System – Bookly 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.