CVE-2022-4036 json
Appointment Hour Booking <= 1.3.72 - CAPTCHA Bypass
published 3y ago modified 4mo ago also EUVD-2022-51415
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2022-4036 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected products
- codepeople Appointment Hour Booking – Booking Calendar
Classification
- Weakness
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset?sfp_email=&sfph_mail=&reponame=&old=2803896%40appointment-hour-booking&new=2803896%40appointment-ho
patch, third-party-advisory
- wordfence.com /threat-intel/vulnerabilities/id/f62d28bd-fa33-4f0b-a116-5aacc05bfa3a?source=cve
-
wordfence.com
/vulnerability-advisories-continued/#CVE-2022-4036
third-party-advisory
Sources
- CVE List CVE-2022-4036
- NVD CVE-2022-4036
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.