{"id":"CVE-2022-4036","aliases":["EUVD-2022-51415","GHSA-5cwm-9hm2-r3cf"],"status":"published","title":"Appointment Hour Booking \u003c= 1.3.72 - CAPTCHA Bypass","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00491,"percentile":0.425,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-326","CWE-804","CWE-863"],"published":"2022-11-29T20:34:59Z","modified":"2026-06-17T05:19:48Z","products":[{"vendor":"codepeople","product":"appointment hour booking – booking calendar"},{"vendor":"dwbooster","product":"appointment_hour_booking"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/f62d28bd-fa33-4f0b-a116-5aacc05bfa3a?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=2803896%40appointment-hour-booking\u0026new=2803896%40appointment-hour-booking\u0026sfp_email=\u0026sfph_mail=","tags":["x_transferred","Patch","Third Party Advisory"]},{"url":"https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4036","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4036"},{"url":"https://github.com/advisories/GHSA-5cwm-9hm2-r3cf"}],"sources":{"cve":[{"id":"CVE-2022-4036","title":"Appointment Hour Booking \u003c= 1.3.72 - CAPTCHA Bypass","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.","status":"published","published":"2022-11-29T20:34:59.668Z","modified":"2026-04-08T17:33:29.365Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-804"],"updated_at":"2026-11-02T14:34:38.263045Z"}],"euvd":[{"id":"EUVD-2022-51415","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.","status":"published","published":"2022-11-29T20:34:59Z","modified":"2026-04-08T17:33:29Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:33.344691Z"}],"ghsa":[{"id":"GHSA-5cwm-9hm2-r3cf","title":"The Appointment Hour Booking plugin for WordPress is vulnerable to CAPTCHA bypass in versions up...","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.","status":"published","published":"2022-11-29T21:30:26Z","modified":"2026-04-08T21:31:46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-326","CWE-804","CWE-863"],"updated_at":"2026-11-02T15:07:18.583007Z"}],"nvd":[{"id":"CVE-2022-4036","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.","status":"published","published":"2022-11-29T21:15:12.407Z","modified":"2026-06-17T05:19:48.897Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-804","CWE-326"],"updated_at":"2026-11-02T14:07:32.827264Z"}]}}