Appointment Hour Booking – Booking Calendar <= 1.5.60 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Min/Max Length' Field Configuration
| CVE | CVE-2026-1083 |
|---|---|
| CVSS | 4.4 (Medium) |
| Publicly Published | January 27, 2026 |
| Last Updated | January 28, 2026 |
| Researcher |
ALockWooD
|
Description
The Appointment Hour Booking – Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via form field configuration parameters in all versions up to, and including, 1.5.60 due to insufficient input sanitization and output escaping on the 'Min length/characters' and 'Max length/characters' field configuration values. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the form builder interface. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.
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Vulnerability Details for Appointment Hour Booking – Booking Calendar
| Software Type | Plugin |
|---|---|
| Software Slug | appointment-hour-booking (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.5.61, or a newer patched version |
| Affected Version |
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| Patched Version |
|
Recent vulnerabilities in Appointment Hour Booking – Booking Calendar
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