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Booking calendar, Appointment Booking System security & vulnerabilities

booking-calendar— active installsLast vulnerability Aug 18, 2026

Unpatched vulnerability in the latest version

At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.

23Known vulnerabilities
  • Critical1
  • High8
  • Medium14
  • Low0
Vulnerabilities per year
2018: 5 vulnerabilities5182022: 1 vulnerability1222023: 6 vulnerabilities6232024: 3 vulnerabilities3242025: 3 vulnerabilities3252026: 5 vulnerabilities526

All Booking calendar, Appointment Booking System vulnerabilities

Booking calendar, Appointment Booking System vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting
≤3.2.36No patch available
CVE-2026-14334
High7.2Unauthenticated Stored Cross-Site Scripting
≤3.2.36No patch available
CVE-2026-25435
High7.2Unauthenticated Stored Cross-Site Scripting via SVG File Upload
≤3.2.15Update to 3.2.16
CVE-2024-9504
High7.2Authenticated (Admin+) SQL Injection
≤3.2.11Update to 3.2.12
—
High7.2Multiple Authenticated(Editor+) SQL Injection
<3.2.9Update to 3.2.9
—
High7.2Authenticated (Administrator+) SQL Injection via *_selected
≤3.2.6Update to 3.2.7
CVE-2022-47428
Critical9.8Unauthenticated Arbitrary File Upload
≤3.2.1Update to 3.2.2
CVE-2022-3982
High7.5Unauthenticated Parameter Manipulation
≤2.2.2Update to 2.2.3
CVE-2018-10363
High8.8Cross-Site Request Forgery
<2.1.8Update to 2.1.8
CVE-2018-5673

Booking calendar, Appointment Booking System: common questions

Does Booking calendar, Appointment Booking System have known vulnerabilities?

Yes. VulnCrest Radar lists 23 known vulnerabilities in Booking calendar, Appointment Booking System: 1 critical, 8 high, 14 medium. At least one is not fixed in the latest version.

How do I check which version of Booking calendar, Appointment Booking System 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 Booking calendar, Appointment Booking System vulnerability?

CVE-2026-73395, published Aug 18, 2026: Booking calendar, Appointment Booking System <= 3.2.36 - Unauthenticated Insecure Direct Object Reference. Severity: Medium (CVSS 5.3).

Is any Booking calendar, Appointment Booking System vulnerability listed in CISA KEV?

No. None of the known Booking calendar, Appointment Booking System vulnerabilities is currently listed in the CISA KEV catalog.

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