Appointment Hour Booking <= 1.3.72 - CAPTCHA Bypass

2022-11-29 00:00

Luca Greeb

Strategic Overview

Status

Patched in 1.3.73

Affected PluginAppointment Hour Booking – Booking Calendar

Affected Version<= 1.3.72

CVSS5.3Medium

CVECVE-2022-4036

View all Appointment Hour Booking – Booking Calendar vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 1.3.73, or a newer patched version --- IDENTIFIER: CWE-804 (Guessable CAPTCHA) The product uses a CAPTCHA challenge, but the challenge can be guessed or automatically recognized by a non-human actor.

External References

https://www.cve.org/CVERecord?id=CVE-2022-4036 https://www.wordfence.com/threat-intel/vulnerabilities/id/f62d28bd-fa33-4f0b-a116-5aacc05bfa3a

CVSS Vector

5.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityNone

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