CVE-2026-1431

Medium

Description

The Booking Calendar plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the wpbc_ajax_WPBC_FLEXTIMELINE_NAV() function in all versions up to, and including, 10.14.13. This makes it possible for unauthenticated attackers to retrieve booking information including customer names, phones and emails.

SeverityMedium
CVSS5.3
Exploit probability—
ProductBooking Calendar
PublishedJan 31, 2026
First seenJan 31, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
wpdevelop Booking Calendarv ≤ 10.14.13—

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CVE-2026-1431 · Booking Calendar · Dark Radar