Vulnerability advisory

CVE-2025-13756

Research by Md. Moniruzzaman Prodhan December 3, 2025
Overview

Summary

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.

Risk profile

CVSS assessment

4.3 · M E D I U M
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
N E T W O R K
Complexity
L O W
Privileges
L O W
User interaction
N O N E
Scope
U N C H A N G E D
Confidentiality
N O N E
Integrity
L O W
Availability
N O N E
Classification

Weaknesses

  • Missing Authorization CWE-862
Further reading

References

2 sources
  1. plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3404176/fluent-booking/tags/1.10.0/app/Hooks/Handlers/DataImporter.php
  2. www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/7860dfa8-de76-4ca3-bd80-98550afab56b?source=cve