CVE-2022-4036

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.

Score

CVSS 3.1 5.3 Medium

Status

Modified - security@wordfence.com

Published

2022-11-29

Last modified

2026-04-08

Weaknesses

CWE-326, CWE-804

Affected products

• Appointment Hour Booking Booking Calendar (Codepeople)
• Appointment Hour Booking (Dwbooster)

References

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