Booking calendar, Appointment Booking System: SQL injection
Booking calendar, Appointment Booking System is affected by SQL injection. The vulnerable path is reachable without authentication. A successful request can alter database queries and expose or modify WordPress data. The published affected range is <= 3.2.17.
- Component
- Booking calendar, Appointment Booking System
- Plugin slug
booking-calendar- Affected
- <= 3.2.17
- Safe version
> 3.2.17- Published
- Jul 10, 2026
This CVE was published Jul 10, 2026 and is one of 26 known issues for this plugin.
Update, patch or deactivate.
Update Booking calendar, Appointment Booking System to a release after 3.2.17, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpdevart_id’ parameter in all versions up to, and including, 3.2.17 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. In order to exploit the vulnerability, the Pro version of the plugin must be installed and activated, with the 'Delete previous dates' option checked.
CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N