CVE-2026-12113: Codepeople Appointment Booking Calendar

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

The Appointment Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.4.02 via the cpabc_appointments_filter_list. This makes it possible for authenticated attackers, with contributor-level access and above, to extract customer names, email addresses, phone numbers, appointment comments, and other booking personally identifiable information.

Affected products

• Codepeople Appointment Booking Calendar: up to and including 1.4.02

Published 2026-07-01. Last modified 2026-07-01.