Vulnerability · Published Feb 14, 2026 · Assigned by Wordfence

CVE-2026-1932Appointment Booking Calendar Plugin <= 1.0.2 - Missing Authorization to Unauthenticated Arbitrary Appointment Status Modification

Medium 5.3

In plain English

A medium-severity missing authorization in Appointment Booking Calendar Plugin – Bookr from bssoftware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.3%top 74.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
bssoftware	Appointment Booking Calendar Plugin – Bookr	0 – through 1.0.2

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

In plain English

Official description

Affected products (as reported)

References