CVE Watch7 ago 2026

CVE-2026-48081

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.2, a TENANT

CVSS

8.1

Alto

EPSS

0.1%

KEV

—

Exploit Today

0-100

Publicado: 6 ago 2026 · Última mod.: 7 ago 2026 · CWE-79

EPSS · 30d

0.1%EPSS · 30 días0.1%

2026-08-072026-09-02

Descripción técnica

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.2, a TENANT_ADMIN can store `javascript:` URLs in the tenant `links` configuration (`website`, `imprint`, `privacyStatement`). These values are returned to the patient-facing landing page via `/api/public`, hydrated into the SvelteKit Button component, and rendered as `<a href="javascript:...">` elements without URL-scheme filtering. A patient who clicks any such link executes the attacker's JavaScript inside the patient browser origin, where patient form data is read before client-side encryption is applied. This breaks the project's central trust claim that the server is an untrusted relay and that administrators cannot read patient data. Patient-side encryption happens after form input, so JavaScript executing in the patient origin can read or alter the plaintext before encryption is performed. Version 1.0.2 fixes the issue.

Referencias oficiales

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