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CVE-2022-4036

Appointment Hour Booking <= 1.3.72 - CAPTCHA Bypass

MEDIUM
5.3
CVSS Score
Published: November 29, 2022 at 08:34 PM UTC
Updated: June 17, 2026 at 05:19 AM UTC
2 products affected across 2 vendorsAppointment Hour BookingAppointment Hour Booking

Using Appointment Hour Booking – WordPress Booking Plugin by codepeople?

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Appointment Hour Booking· Dwboosterwordpress-plugin
95%
v ≤ 1.3.72
Appointment Hour Booking· Codepeoplewordpress-plugin
60%
v ≤ 1.3.72

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

PatchThird Party Advisory
Source: [email protected]
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=
Third Party Advisory
Source: [email protected]
https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4036
Source: cverecord
https://www.wordfence.com/threat-intel/vulnerabilities/id/f62d28bd-fa33-4f0b-a116-5aacc05bfa3a?source=cve

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMWordfence
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-326CWE-804

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