CVE-2022-4035 HIGH

CVE-2022-4035: Appointment Hour Booking <= 1.3.72 - Unauthenticated iFrame Injection via Appointment Form

Vendor Codepeople
Product Appointment Hour Booking – Booking Calendar
Weakness CWE-79 · XSS
Published November 29, 2022
Last update April 8, 2026
View on NVD All CVEs

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The Appointment Hour Booking plugin for WordPress is vulnerable to iFrame Injection via the ‘email’ or general field parameters in versions up to, and including, 1.3.72 due to insufficient input sanitization and output escaping that makes injecting iFrame tags possible. This makes it possible for unauthenticated attackers to inject iFrames when submitting a booking that will execute whenever a user accesses the injected booking details page.

Key dates

02Disclosure timeline

November 29, 2022 CVE published
April 8, 2026 Record updated

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04Related CVE

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