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Medium · 5.4 CVE-2026-126484 EUVD-2026-124940GHSA-4jq4-36fp-37jw

OpenEMR before 8.5.0 Stored XSS via Printed Fee Sheet Appointment Comments

Published Nov 13, 2026 · Updated Nov 13, 2026 · Assigned by VulnCheck

Description

OpenEMR before 8.5.0 contains a stored cross-site scripting vulnerability in printed_fee_sheet.php that allows authenticated portal patients to inject script by setting unescaped appointment comments (pc_hometext). Attackers can submit HTML payloads via the form_comments field in add_edit_event_user.php that execute when staff open the patient's fee sheet, acting within the staff session.

Affected products

VendorProductAffectedFixed
openemr openemr < 8.5.0 8.5.0

References