CVE-2026-40507
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.
Faiblesse
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.
Références
- https://github.com/openemr/openemr/commit/ba316dd1d8de1291102da3f20f64240729ff899e
- https://github.com/openemr/openemr/releases/tag/v8_3_0
- https://github.com/openemr/openemr/security/advisories/GHSA-rmmr-8498-463g
- https://www.vulncheck.com/advisories/openemr-reflected-xss-via-templatehtml-parameter-in-patient-portal
- https://github.com/openemr/openemr/security/advisories/GHSA-rmmr-8498-463g
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