PT-2026-50840

CVE-2026-1856

Published

2026-06-18

Updated

2026-06-22

Description by

CVSS 3.1

6.4

Medium

MetricsAV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Appointment Booking Calendar versions prior to 1.4.5

Description The Appointment Booking Calendar plugin for WordPress contains a Stored Cross-Site Scripting issue caused by insufficient input sanitization and output escaping in custom booking field labels. Authenticated attackers with Author-level access or higher can inject arbitrary web scripts into pages, which then execute when a user visits the affected page.

Recommendations Update to a version later than 1.4.4.

Exploitability

Fix

Impacts

Researchers

Athiwat Tiprasaharn

Powpy

Vendors

Affected products

Weakness enumeration

CWE-79: Improper Neutralization of Input During Web Page Generation (\'Cross-site Scripting\')

Related identifiers