CVE-2026-1932

Appointment Booking Calendar Plugin <= 1.0.2 - Missing Authorization to Unauthenticated Arbitrary Appointment Status Modification

CVSS 5.3 MEDIUMEPSS 0.3%CWE-862

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

14 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

The Appointment Booking Calendar Plugin – Bookr plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the update-appointment REST API endpoint in all versions up to, and including, 1.0.2. This makes it possible for unauthenticated attackers to modify the status of any appointment.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

bssoftware · Appointment Booking Calendar Plugin – Bookr

References

https://plugins.trac.wordpress.org/browser/bookr/tags/1.0.2/includes/rest-api/controller/appointment-controller.php#L47 https://plugins.trac.wordpress.org/browser/bookr/trunk/includes/rest-api/controller/appointment-controller.php#L47 https://www.wordfence.com/threat-intel/vulnerabilities/id/2ab4baab-9e91-4ed5-9749-4a14e8180e71?source=cve