PT-2026-109527 · Wpdevelop · Booking Calendar

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CVE-2026-18496

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Published

2026-10-10

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Updated

2026-10-10

CVSS v3.1

5.3

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
The Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 11.4.3 via the wpbc is show popover in flex timeline() function. This makes it possible for unauthenticated attackers to extract sensitive data including names, email addresses, and phone numbers of customers who have made bookings.

Fix

Information Disclosure

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Weakness Enumeration

Related Identifiers

CVE-2026-18496

Affected Products

Booking Calendar