Read the docs
TI-2022-03704 Aliases CVE-2022-4036GHSA-5cwm-9hm2-r3cf

Appointment Hour Booking <= 1.3.72 - CAPTCHA Bypass

Priority LOW 31CWE-804Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-326.

Summary

The Appointment Hour Booking plugin for WordPress is vulnerable to CAPTCHA bypass in versions up to, and including, 1.3.72. This is due to the use of insufficiently strong hashing algorithm on the CAPTCHA secret that is also displayed to the user via a cookie.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00491 42nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
codepeopleAppointment Hour Booking – Booking Calendarup to 1.3.72—No fix listedCNA
  • Appointment Hour Booking – Booking Calendar Vendorcodepeople Affected up to 1.3.72 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:dwbooster:appointment_hour_booking:*:*:*:*:*:wordpress:*:*up to 1.3.72Vulnerabledwbooster
  • cpe:2.3:a:dwbooster:appointment_hour_booking:*:*:*:*:*:wordpress:*:* Versions up to 1.3.72 Vulnerable ·dwbooster

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4036
  2. 2026-10-03 Alias added: GHSA-5cwm-9hm2-r3cf

References

  • TI-2024-00790 Booking Calendar < 1.3.83 - CSRF appointment scheduling CVSS 3.1HIGH 8.8
  • TI-2024-11385 BookingPress < 1.1.23 - Unauthenticated Export File Download CVSS 3.1HIGH 7.5
  • TI-2024-03387 Smart Image Gallery < 1.0.19 - Update/Delete Google API Key via CSRF CVSS 3.1MEDIUM 6.8
  • TI-2023-05486 Contact Form Email < 1.3.44 - Editor+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 6.1
  • TI-2024-08220 Polls CP <= 1.0.75 - Admin+ Stored XSS via Custom Styles CVSS 3.1MEDIUM 5.4
  • TI-2024-08217 Polls CP <= 1.0.75 - Admin+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 5.4
See all 129 →

Sources