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CVE-2022-4036

MEDIUM 5.3 CVSS 3.1
Published
November 29, 2022
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-804, CWE-326
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

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.

Affected WordPress components

  • Appointment Hour Booking – Booking Calendar Plugin · appointment-hour-booking
    Confirmed match Active
    Up to and including 1.3.72
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • codepeople Appointment Hour Booking – Booking Calendar — Up to and including 1.3.72
  • dwbooster appointment_hour_booking — Up to and including 1.3.72

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2803896%40appointment-hour-booking&new=2803896%40appointment-hour-booking&sfp_email=&sfph_mail= Patch, Third Party Advisory
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/f62d28bd-fa33-4f0b-a116-5aacc05bfa3a?source=cve
  • www.wordfence.com https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4036 Third Party Advisory
  • nvd.nist.gov Official NVD record