CVE-2026-40507Published
OpenEMR < 8.3.0 Reflected XSS via templateHtml Parameter in Patient Portal
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-40507 · Microsoft / collected KEV context
cve-program · CVE-2026-40507
- https://github.com/openemr/openemr/security/advisories/GHSA-rmmr-8498-463g
- https://github.com/openemr/openemr/releases/tag/v8_3_0
- https://github.com/openemr/openemr/commit/ba316dd1d8de1291102da3f20f64240729ff899e
- https://www.vulncheck.com/advisories/openemr-reflected-xss-via-templatehtml-parameter-in-patient-portal
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.