CVE-2026-52838
Easy!Appointments disable_booking_message rendered as raw HTML on public booking page — Stored XSS
CVSS Score
2.6
EPSS Score
0.0%
EPSS Percentile
0th
Easy!Appointments is a self hosted appointment scheduler. Versions prior to 1.6.0 allow administrators to define a custom "booking disabled" message through the booking settings page. That value is stored in the `disable_booking_message` setting via a rich-text editor and later passed directly to the public `booking_message` view without escaping or sanitization. An authenticated administrator can store HTML or JavaScript in this field, enable disabled-booking mode, and trigger stored XSS in every unauthenticated visitor who opens the public booking page. Version 1.6.0 fixes the issue.
| CWE | CWE-79 |
| Vendor | alextselegidis |
| Product | easyappointments |
| Published | Jul 14, 2026 |
| Last Updated | Jul 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
alextselegidis / easyappointments
< 1.6.0