Appointment Hour Booking – Booking Calendar vulnerabilities
Plugin slug appointment-hour-booking · 16 known vulnerabilities · latest disclosed 2026-09-30 · WordPress.org page
Every listed vulnerability has a fix. Version 1.5.98 or later is not affected by any of them. If your site runs an older version, update it.
2 of 16 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Appointment Hour Booking – Booking Calendar
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.2 | <= 1.5.97 | 1.5.98 | CVE-2026-96573 | 2026-09-30 | Advisory |
| Medium 5.3 | <= 1.5.94 | 1.5.95 | CVE-2026-86475 | 2026-09-14 | Advisory |
| Medium 5.3 | <= 1.5.94 | 1.5.95 | CVE-2026-66679 | 2026-08-18 | Advisory |
| Medium 5.3 | <= 1.5.87 | 1.5.88 | CVE-2026-16282 | 2026-08-03 | Advisory |
| Medium 6.4 | <= 1.5.86 | 1.5.87 | CVE-2026-65514 | 2026-07-23 | Advisory |
| Medium 4.4 | <= 1.5.60 | 1.5.61 | CVE-2026-1083 | 2026-01-27 | Advisory |
| Medium 5.3 | <= 1.4.56 | 1.4.57 | CVE-2024-32720 | 2024-04-22 | Advisory |
| Medium 5.3 | <= 1.4.23 | 1.4.24 | CVE-2023-45649 | 2023-10-11 | Advisory |
| High 7.2 | <= 1.3.72 | 1.3.73 | CVE-2022-4035 | 2022-11-29 | Advisory |
| Medium 5.8 | <= 1.3.72 | 1.3.73 | CVE-2022-4034 | 2022-11-29 | Advisory |
| Medium 5.3 | <= 1.3.72 | 1.3.73 | CVE-2022-4036 | 2022-11-29 | Advisory |
| Medium 4.3 | <= 1.3.71 | 1.3.72 | CVE-2022-41692 | 2022-10-30 | Advisory |
| Medium 4.8 | <= 1.3.55 | 1.3.56 | CVE-2022-1710 | 2022-05-23 | Advisory |
| Medium 6.4 | < 1.3.17 | 1.3.17 | CVE-2021-24712 | 2021-09-10 | Advisory |
| Medium 5.5 | < 1.3.16 | 1.3.16 | CVE-2021-24673 | 2021-09-06 | Advisory |
| Medium 6.1 | < 1.1.46 | 1.1.46 | CVE-2019-13505 | 2019-07-09 | Advisory |
Check if a site is affected
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Questions
Is the Appointment Hour Booking – Booking Calendar plugin safe to use?
All 16 known issues are fixed in current versions (1.5.98 or later). Keeping it updated is what matters.
How do I check which version of Appointment Hour Booking – 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.