VULNERABILITY INTELLIGENCE
CVE-2026-40507
CVSS score6.1 MEDIUM
EPSS probability0.34%
CISA KEVNot currently listed
Published2026-08-19
Last modified2026-10-27
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
OpenEMR before 8.3.0 contains a reflected cross-site scripting vulnerability in the patient portal template import handler. The templateHtml GET parameter is reflected into the page response without sanitization. An attacker can craft a URL that executes arbitrary JavaScript in the browser of any authenticated user with Forms Administration permissions who visits the link, enabling session hijacking.
Weakness classification
- disclosure@vulncheck.com: CWE-79