MEDIUMCVSS v3.1 6.3Vulnerability

CVE-2026-126418

OpenEMR before 8.5.0 contains a stored cross-site scripting vulnerability in interface/billing/sl_eob_invoice.php, which escapes billing codes for HTML attributes but not for JavaScript strings in an inline onkeyup handler. Clinicians with encounter coding access can save crafted billing codes through diagnosis.php that execute script when a Back Office user enters a payment, exposing patient and financial data or performing actions as that user.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Epss score
0.00296
Cvss score
6.3
Cvss severity
MEDIUM
Retrieved at
2026-11-14T00:51:03+00:00
Score
6.3
Last source
FIRST EPSS
Cvss version
3.1
Cve id
CVE-2026-126418
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
First seen by Signal
2026-11-13T17:31:47+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Published at
2026-11-13T10:17:47.500
Last modified
2026-11-13T10:17:47.627
Epss percentile
0.22475

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CVE-2026-126418 (CVSS v3.1 6.3) — Ninja Signal Threat Intelligence | Ninja Signal