CVE-2026-12113

EUVD-2026-40903
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
WordfenceCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 13%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
codepeopleappointment_booking_calendar
𝑥
≤ 1.4.2
CNA
Common Weakness Enumeration
References
https://plugins.trac.wordpress.org/browser/appointment-booking-calendar/tags/1.3.99/cpabc_appointments.php#L187
https://plugins.trac.wordpress.org/browser/appointment-booking-calendar/tags/1.3.99/inc/cpabc_apps_on.inc.php#L255
https://plugins.trac.wordpress.org/browser/appointment-booking-calendar/tags/1.3.99/inc/cpabc_apps_on.inc.php#L328
https://plugins.trac.wordpress.org/browser/appointment-booking-calendar/trunk/cpabc_appointments.php#L187
https://plugins.trac.wordpress.org/browser/appointment-booking-calendar/trunk/inc/cpabc_apps_on.inc.php#L255
https://plugins.trac.wordpress.org/browser/appointment-booking-calendar/trunk/inc/cpabc_apps_on.inc.php#L328
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3581633%40appointment-booking-calendar&new=3581633%40appointment-booking-calendar&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/3838bb64-fd85-43a4-97a2-7ca7930697ad?source=cve