CVE-2022-4036

Published: Nov 29, 2022

Modified: Apr 8, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

Vendor	Product	Versions
codepeople	Appointment Hour Booking – Booking Calendar	affected `0 - <= 1.3.72`

Weaknesses (CWE)

CWE-804

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/f62d28bd-fa33-4f0b-a116-5aacc05bfa3a?source=cve

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=

https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4036

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CVE-2022-4036

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References