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CVE-2026-40507

OpenEMR < 8.3.0 Reflected XSS via templateHtml Parameter in Patient Portal PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
openemr / openemraffected 0 before 8.3.0

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.