4.3

CVE-2025-66530: webba appointment booking webba booking Missing Authorization

CVSS: 4.3v3.1MediumDeferred
Published 09-12-2025Last modified 28-04-2026

Vulnerability summary

CVE-2025-66530 is a medium (CVSS 4.3) Missing Authorization vulnerability in webba appointment booking webba booking. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 23% of scored vulnerabilities. Fixed in 6.2.2.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-12-2025
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

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 <= 6.2.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

23%

Versus all other CVEs

30-day change

0.00 pp

From 0.31% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Webba appointment booking1 product
Wordpress1 product
  • webba-booking-lite≤ 6.2.1 (fixed in 6.2.2)

2 vendors · 2 products

References

2 links