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    CVE-2026-12113

    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.

    Published:Jul 1, 2026
    Last Modified:Jul 1, 2026
    EPS:Jul 1, 2026
    EPSS Score:0.00228
    CVSS Score:4.3

    Affected Products

    Vendor
    Codepeople
    Product
    Appointment Booking Calendar
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-12111 (CVSS 4.3) — The Appointment Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in versi…
    CVE-2026-1083 (CVSS 4.4) — The Appointment Hour Booking – Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Script…
    CVE-2025-13317 (CVSS 5.3) — The Appointment Booking Calendar plugin for WordPress is vulnerable to Missing Authorization in all versions u…
    CVE-2025-64261 (CVSS 5.4) — Missing Authorization vulnerability in codepeople Appointment Booking Calendar appointment-booking-calendar al…
    CVE-2025-46247 (CVSS 5.3) — Missing Authorization vulnerability in codepeople Appointment Booking Calendar appointment-booking-calendar al…
    CVE-2025-46241 (CVSS 8.2) — Cross-Site Request Forgery (CSRF) vulnerability in codepeople Appointment Booking Calendar appointment-booking…
    CVE-2024-12274 (CVSS 7.5) — The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.1.23 export settings …
    CVE-2024-0856 (CVSS 8.8) — The Appointment Booking Calendar WordPress plugin before 1.3.83 does not have CSRF checks in some places, whic…
    CVE-2022-43482 (CVSS 4.3) — Missing Authorization vulnerability in Appointment Booking Calendar plugin <= 1.3.69 on WordPress.…
    CVE-2020-9372 (CVSS 7.8) — The Appointment Booking Calendar plugin before 1.3.35 for WordPress allows user input (in fields such as Descr…

    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High