CVE-2022-4036— Appointment Hour Booking <= 1.3.72 - CAPTCHA Bypass
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I. Basic Information for CVE-2022-4036
Vulnerability Information
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Vulnerability Title
Appointment Hour Booking <= 1.3.72 - CAPTCHA Bypass
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
可猜测的验证码
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Appointment Hour Booking 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Appointment Hour Booking 存在安全漏洞，该漏洞源于对同样通过 cookie 显示给用户的 CAPTCHA 密钥使用了不够强大的哈希算法。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| codepeople | Appointment Hour Booking – WordPress Booking Plugin | * ~ 1.3.72 | - |
II. Public POCs for CVE-2022-4036
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · codepeople · 2022-11-29 · 3 CVEs total
| CVE-2022-4035 | 7.2 HIGH | Appointment Hour Booking <= 1.3.72 - Unauthenticated iFrame Injection via Appointment Form |
| CVE-2022-4034 | 5.8 MEDIUM | Appointment Hour Booking <= 1.3.72 - CSV Injection |
IV. Related Vulnerabilities
Same vendor: codepeople
- CVE-2026-6810
Booking Calendar Contact Form <= 1.2.63 - Authenticated (Sub - CVE-2026-32483
WordPress Contact Form Email plugin <= 1.3.63 - Broken Acces - CVE-2026-25465
WordPress CP Multi View Event Calendar plugin <= 1.4.36 - C - CVE-2026-32432
WordPress WP Time Slots Booking Form plugin <= 1.2.42 - Brok - CVE-2026-32433
WordPress CP Contact Form with Paypal plugin <= 1.3.61 - SQL
Same weakness: CWE-804
- CVE-2026-40935
WWBN/AVideo has CAPTCHA Bypass via Attacker-Controlled Lengt - CVE-2026-27411
WordPress SiteGuard WP plugin plugin <= 1.7.9 - Captcha Bypa - CVE-2025-10423
newbee-mall kaptcha mallKaptcha Captcha - CVE-2025-8546
atjiu pybbs Verification Code login Captcha - CVE-2025-32036
DNN allows the possibility of bypassing Captcha
V. Comments for CVE-2022-4036
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