Medium severity · published Dec 3, 2025
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
4.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FB
Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution · techjewel
through 1.9.11 · source: vendor
Affected product
FB
Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution
techjewel
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-13756
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-13756
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset/3404176/fluent-booking/tags/1.10.0/app/Hooks/Handlers/DataImporter.php
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/7860dfa8-de76-4ca3-bd80-98550afab56b?source=cve
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Fluent Booking <= 2.0.01 - Unauthenticated Stored Cross-Site Scripting via Multiple Parameters