What is CVE-2025-54040?

CVE-2025-54040 is a medium-severity vulnerability in Webba Appointment Booking, classified under Missing Authorization. CVSS score: 6.5/10. Published 2025-08-20.

How severe is CVE-2025-54040?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Webba Appointment Booking

CVE-2025-54040

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.

Vulnerability class: Broken Access Control

EPSS: 0.004 (28.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Webba Appointment Booking — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-54040?: CVE-2025-54040 is a medium-severity vulnerability in Webba Appointment Booking, classified under Missing Authorization. CVSS score: 6.5/10. Published 2025-08-20.
How severe is CVE-2025-54040?: Medium severity. CVSS v3 base score is 6.5 out of 10.