What’s Vulnerable › Vulnerabilities

CVE-2025-13756: Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution <= 1.9.11 - Authenticated (Subscriber+) Missing Authorization to Calendar Import and Management

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-03 · updated 2026-10-18
• Weakness: CWE-862

Description

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.

Affected products

• techjewel Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution: through 1.9.11

References

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

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