CVE-2022-4036
Appointment Hour Booking <= 1.3.72 - CAPTCHA Bypass
- State
- Published
- Severity
- 5.3 Medium
- Published
- Nov 29, 2022
- Updated
- Apr 8, 2026
- Reserved
- Nov 16, 2022
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | Wordfence |
Weaknesses
- CWE-804 Guessable CAPTCHA
Affected Products
| Product | Versions |
|---|---|
Appointment Hour Booking – Booking Calendarcodepeople |
|
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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