CVE-2026-33933: Open-EMR Openemr

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

OpenEMR is a free and open source electronic health records and medical practice management application. Starting in version 7.0.2.1 and prior to version 8.0.0.3, a reflected cross-site scripting (XSS) vulnerability in the custom template editor allows an attacker to execute arbitrary JavaScript in an authenticated staff member's browser session by sending them a crafted URL. The attacker does not need an OpenEMR account. Version 8.0.0.3 patches the issue.

Affected products

• Open-EMR Openemr: from 7.0.2.1, before 8.0.0.3 (fixed in 8.0.0.3)

Published 2026-03-26. Last modified 2026-06-17.