CVE-2022-4036

· MEDIUMModified

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CVSS v3.1

5.3

EPSS

0.44%

Published

Nov 29, 2022

Modified

Apr 8, 2026

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

CVSS Vector

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

Weaknesses (CWE)

CWE-804CWE-326

Affected Products (1)

dwbooster · appointment_hour_bookingvulnerable

References (5)

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=

PatchThird Party Advisory

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

Third Party Advisory

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=

PatchThird Party Advisory

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

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