CVE-2025-54040

WordPress Webba Booking <= 5.1.20 - Broken Access Control Vulnerability

6.5 Medium

Missing Authorization vulnerability in Webba Appointment Booking Webba Booking webba-booking-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Webba Booking: from n/a through <= 5.1.20.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: Low

Exploit likelihood

0.39%Up 0.4 points since Aug 20, 2025

What each source reports

CVE List Score used 6.5

WordPress Webba Booking <= 5.1.20 - Broken Access Control Vulnerability

Record: CVE-2025-54040
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2025-28552 6.5

Record: EUVD-2025-28552
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-fmpm-g49v-6h55 6.5

Missing Authorization vulnerability in Webba Appointment Booking Webba Booking allows Exploiting...

Missing Authorization vulnerability in Webba Appointment Booking Webba Booking allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Webba Booking: from n/a through 5.1.20.

Record: GHSA-fmpm-g49v-6h55
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness: CWE-862
Updated: 2026-11-02

NVD 6.5

Record: CVE-2025-54040
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness: CWE-862
Updated: 2026-11-02

Affected products

webba appointment booking booking

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-54040 is a medium vulnerability (CVSS 6.5) in Webba Appointment Booking Booking, published August 20, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.