What is CVE-2026-1431?

CVE-2026-1431 is a medium-severity vulnerability in Wpdevelop Booking Calendar, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-01-31.

How severe is CVE-2026-1431?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Wpdevelop Booking Calendar

CVE-2026-1431

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 possib…

Vulnerability class: Broken Access Control

EPSS: 0.000 (7.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Wpdevelop Booking Calendar — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.wordfence.com/threat-intel/vulnerabilities/id/0bd92f91-d9b1-4f6f-ac1a-47795…
plugins.trac.wordpress.org/browser/booking/tags/10.14.13/core/lib/wpbc-ajax.php

Frequently asked questions

What is CVE-2026-1431?: CVE-2026-1431 is a medium-severity vulnerability in Wpdevelop Booking Calendar, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-01-31.
How severe is CVE-2026-1431?: Medium severity. CVSS v3 base score is 5.3 out of 10.