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    CVE-2022-4036

    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.

    Published:Nov 29, 2022
    Last Modified:Apr 8, 2026
    EPS:Nov 29, 2022
    EPSS Score:0.00077
    CVSS Score:5.3

    Affected Products

    Vendor
    Dwbooster
    Product
    Appointment Hour Booking

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-112 Brute Force
    CAPEC-192 Protocol Analysis
    CAPEC-20 Encryption Brute Forcing

    Related CVEs

    CVE-2022-4035 (CVSS 7.2) — The Appointment Hour Booking plugin for WordPress is vulnerable to iFrame Injection via the ‘email’ or general…
    CVE-2022-4034 (CVSS 5.8) — The Appointment Hour Booking Plugin for WordPress is vulnerable to CSV Injection in versions up to, and includ…
    CVE-2022-41692 (CVSS 4.3) — Missing Authorization vulnerability in Appointment Hour Booking plugin <= 1.3.71 on WordPress.…
    CVE-2022-1710 (CVSS 4.8) — The Appointment Hour Booking WordPress plugin before 1.3.56 does not sanitise and escape a settings of its Cal…
    CVE-2021-24712 (CVSS 5.4) — The Appointment Hour Booking WordPress plugin before 1.3.17 does not properly sanitize values used when creati…
    CVE-2021-24673 (CVSS 4.8) — The Appointment Hour Booking WordPress plugin before 1.3.16 does not escape some of the Calendar Form settings…
    CVE-2019-13505 (CVSS 6.1) — The Appointment Hour Booking plugin 1.1.44 for WordPress allows XSS via the E-mail field, as demonstrated by e…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High