CAPTCHA Bypass in Appointment Hour Booking Plugin for WordPress
CVE-2022-4036

5.3MEDIUM

Key Information:

Vendor

Wordpress
Status
Appointment Hour Booking – WordPress Booking Plugin
Vendor
CVE Published:
29 November 2022

What is CVE-2022-4036?

The Appointment Hour Booking plugin for WordPress has a vulnerability that allows attackers to bypass CAPTCHA protections due to the use of an insufficiently strong hashing algorithm on the CAPTCHA secret, which is also exposed to the user via a cookie. This weakness could enable unauthorized access to secure areas of a WordPress site in versions up to, and including, 1.3.72.

Affected Version(s)

Appointment Hour Booking – WordPress Booking Plugin * <= 1.3.72

References

https://plugins.trac.wordpress.org/changeset?sfp_email=&s...
https://www.wordfence.com/vulnerability-advisories-contin...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Luca Greeb
Andreas Krüger
.