How severe is CVE-2025-13756?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Techjewel Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Calendar Solution

CVE-2025-13756

The Fluent Booking plugin for WordPress is vulnerable to unauthorized calendar import and management due to a missing capability check on the "importCalendar" function in all versions up to, and including, 1.9.11. This makes it possible for authenticated attackers, with subscriber level access and above, to import arbitrary calendars and manage them.

Vulnerability class: Broken Access Control

EPSS: 0.002 (6.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Techjewel Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Calendar Solution — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2025-13756?: CVE-2025-13756 is a medium-severity vulnerability in Techjewel Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Calendar Solution, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-12-03.
How severe is CVE-2025-13756?: Medium severity. CVSS v3 base score is 4.3 out of 10.