PT-2026-78436 · Openemr · Openemr

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CVE-2026-40508

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Published

2026-08-19

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Updated

2026-08-19

CVSS v3.1

5.4

Medium

VectorAV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions OpenEMR versions prior to 8.3.0
Description A stored cross-site scripting issue exists in the patient portal template import handler. Authenticated attackers with Forms Administration permissions can upload template files containing arbitrary HTML or JavaScript. These malicious scripts are stored without sanitization and execute in the browser of any other Forms Administration user who views the template in the HTML editor.
Recommendations Update to version 8.3.0 or later.

Exploit

Fix

XSS

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Weakness Enumeration

Related Identifiers

CVE-2026-40508
GHSA-5293-8Q47-CF44

Affected Products

Openemr