CVE-2026-1920

MEDIUM

Booking Calendar for Appointments 1.0.16 - Auth Bypass

Title source: llm

Description

The Booking Calendar for Appointments and Service Businesses – Booktics plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'Extension_Controller::update_item_permissions_check' function in all versions up to, and including, 1.0.16. This makes it possible for unauthenticated attackers to install addon plugins.

References (3)

[Product] https://plugins.trac.wordpress.org/browser/booktics/tags/1.0.15/core/extensions/controllers/extension-controller.php#L110

[Product] https://plugins.trac.wordpress.org/changeset/3477898/booktics/trunk/core/extensions/controllers/extension-controller.php

[Third Party Advisory] https://www.wordfence.com/threat-intel/vulnerabilities/id/ab051f4a-030a-44aa-8cbf-665c6c6d31a7?source=cve

Scores

CVSS v3 5.3

EPSS 0.0007

EPSS Percentile 20.1%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-306

Status published

Products (1)

arraytics/Booktics – Booking Calendar for Appointments and Service Businesses < 1.0.16

Published Mar 10, 2026

Tracked Since Mar 11, 2026