Appointment Hour Booking <= 1.4.56 - Captcha Bypass

5.3
Guessable CAPTCHA
CVE CVE-2024-32720
CVSS 5.3 (Medium)
Publicly Published April 22, 2024
Last Updated April 29, 2024
Researcher Mochamad Sofyan

Description

The Appointment Hour Booking plugin for WordPress is vulnerable to CAPTCHA Bypass in versions up to, and including, 1.4.56. This makes it possible for unauthenticated attackers to bypass the Captcha Verification.

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Vulnerability Details for Appointment Hour Booking – Booking Calendar

Software Type Plugin
Software Slug appointment-hour-booking (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.4.57, or a newer patched version
Affected Version
  • <= 1.4.56
Patched Version
  • 1.4.57

Recent vulnerabilities in Appointment Hour Booking – Booking Calendar

# Title CVE ID CVSS Researchers Date
1 Appointment Hour Booking – Booking Calendar <= 1.5.60 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Min/Max Length' Field Configuration CVE-2026-1083 4.4 ALockWooD January 27, 2026
2 Appointment Hour Booking <= 1.4.23 - Missing Authorization to Double Booking CVE-2023-45649 5.3 konagash October 11, 2023
3 Appointment Hour Booking <= 1.3.72 - Unauthenticated iFrame Injection via Appointment Form CVE-2022-4035 7.2 Luca Greeb, Andreas Krüger November 29, 2022
4 Appointment Hour Booking <= 1.3.72 - CSV Injection CVE-2022-4034 5.8 Luca Greeb, Andreas Krüger November 29, 2022
5 Appointment Hour Booking <= 1.3.72 - CAPTCHA Bypass CVE-2022-4036 5.3 Luca Greeb, Andreas Krüger November 29, 2022
6 Appointment Hour Booking <= 1.3.71 - Missing Authorization CVE-2022-41692 4.3 István Márton October 30, 2022
7 Appointment Hour Booking <= 1.3.55 - Authenticated Stored Cross-Site Scripting CVE-2022-1710 4.8 Bruno Halltari May 23, 2022
8 Appointment Hour Booking <= 1.3.16 - Cross-Site Scripting CVE-2021-24712 6.4 Shivam Rai September 10, 2021
9 Appointment Hour Booking <= 1.3.15 Admin+ Stored Cross-Site Scripting CVE-2021-24673 5.5 Asif Nawaz Minhas September 6, 2021
10 Appointment Hour Booking – WordPress Booking Plugin <= 1.1.45 - Cross-Site Scripting CVE-2019-13505 6.1 ivoschyk-cs July 9, 2019

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