CVE•Published 2022-11-29•Modified 2026-04-08•0 articles on news•7 live references•NVD data

CVE-2022-4036Dwbooster · Appointment_hour_booking

Vulnerability data via NVD (ingested)

CVSS v3.1

5.3

MEDIUM

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

EPSS percentile

Exploit Prediction Scoring System · top 74% of all CVEs

Weaknesses (CWE)

CWE-804Guessable CAPTCHA CWE-326Inadequate Encryption Strength

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.

Timeline

Published 2022-11-29

Modified 2026-04-08

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2022-4036

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · WP plugin path

http.html:"/wp-content/plugins/appointment-hour-booking/"

Matches any site loading the "appointment-hour-booking" plugin — doesn't rely on Shodan's vuln tag.

Shodan · product

product:"Dwbooster Appointment Hour Booking"

All exposed Dwbooster Appointment Hour Booking instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Appointment Hour Booking"

HTTP body or banner mentions "Appointment Hour Booking" — catches deploys Shodan didn't identify as a product.