WordPress plugin
Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 7 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High1
- Medium6
- Low0
All Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Missing Authorization ≤2.5.0Update to 2.6.0 | CVE-2026-121781 | |
| Medium4.3 | Missing Authorization ≤2.5.0Update to 2.6.0 | CVE-2026-122659 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤2.1.0Update to 2.1.1 | CVE-2026-57638 | |
| Medium4.3 | Authenticated (Calendar Manager+) Information Exposure ≤2.1.1Update to 2.1.2 | CVE-2026-9576 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Multiple Parameters ≤2.0.01Update to 2.0.05 | CVE-2026-2231 | |
| Medium4.3 | Authenticated (Subscriber+) Missing Authorization to Calendar Import and Management ≤1.9.11Update to 1.10.0 | CVE-2025-13756 | |
| Medium4.3 | Missing Authorization ≤1.9.11Update to 1.10.0 | CVE-2025-67597 |
- Medium5.3Missing Authorization
≤2.5.0Update to 2.6.0
- Medium4.3Missing Authorization
≤2.5.0Update to 2.6.0
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.1.0Update to 2.1.1
- Medium4.3Authenticated (Calendar Manager+) Information Exposure
≤2.1.1Update to 2.1.2
- High7.2Unauthenticated Stored Cross-Site Scripting via Multiple Parameters
≤2.0.01Update to 2.0.05
- Medium4.3Authenticated (Subscriber+) Missing Authorization to Calendar Import and Management
≤1.9.11Update to 1.10.0
- Medium4.3Missing Authorization
≤1.9.11Update to 1.10.0
Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution: common questions
Does Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution have known vulnerabilities?
Yes. VulnCrest Radar lists 7 known vulnerabilities in Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution: 1 high, 6 medium. None are known to affect version null.
How do I check which version of Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution vulnerability?
CVE-2026-121781, published Nov 7, 2026: Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution <= 2.5.0 - Missing Authorization. Severity: Medium (CVSS 5.3).
Is any Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution vulnerability listed in CISA KEV?
No. None of the known Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution vulnerabilities is currently listed in the CISA KEV catalog.