CVE-2026-12113 Missing authorization in Appointment Booking Calendar

Medium 4.3 Published Updated

Authenticated contributors can access sensitive customer PII due to missing authorization checks in the Appointment Booking Calendar plugin.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-12113?

CVE-2026-12113 is a medium-severity missing authorization vulnerability in codepeople Appointment Booking Calendar, published on 1 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-862

Which versions are affected by CVE-2026-12113?

How do I fix CVE-2026-12113?

No fix has been published for CVE-2026-12113 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-12113 being exploited?

There is no known exploitation of CVE-2026-12113 in the wild and no public exploit code.

Sources

Also known as GHSA-jg95-92mw-5qqj.

Is CVE-2026-12113 in your software?

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