CVE-2026-21443

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0, the `xl()` translation function returns unescaped strings. While wrapper functions exist for escaping in different contexts (`xlt()` for HTML, `xla()` for attributes, `xlj()` for JavaScript), there are places in the codebase where `xl()` output is used directly without escaping. If an attacker could insert malicious content into the translation database, these unescaped outputs could lead to XSS. Version 8.0.0 fixes the issue.
Configurations

Configuration 1 (hide)

cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*

History

17 Jun 2026, 10:18

Type Values Removed Values Added
References () https://github.com/openemr/openemr/security/advisories/GHSA-3f9j-cqjj-7h46 - Vendor Advisory, Mitigation () https://github.com/openemr/openemr/security/advisories/GHSA-3f9j-cqjj-7h46 - Mitigation, Vendor Advisory
Summary
  • (es) OpenEMR es una aplicación gratuita y de código abierto de registros de salud electrónicos y gestión de consultorios médicos. Antes de la versión 8.0.0, la función de traducción 'xl()' devuelve cadenas sin escapar. Aunque existen funciones envoltorio para escapar en diferentes contextos ('xlt()' para HTML, 'xla()' para atributos, 'xlj()' para JavaScript), hay lugares en la base de código donde la salida de 'xl()' se usa directamente sin escapar. Si un atacante pudiera insertar contenido malicioso en la base de datos de traducción, estas salidas sin escapar podrían conducir a XSS. La versión 8.0.0 corrige el problema.

26 Feb 2026, 15:34

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 6.1
First Time Open-emr openemr
Open-emr
References () https://github.com/openemr/openemr/commit/b1e3fe8a9ed8bcaf17e0b73d7fad5434f9fe36da - () https://github.com/openemr/openemr/commit/b1e3fe8a9ed8bcaf17e0b73d7fad5434f9fe36da - Patch
References () https://github.com/openemr/openemr/security/advisories/GHSA-3f9j-cqjj-7h46 - () https://github.com/openemr/openemr/security/advisories/GHSA-3f9j-cqjj-7h46 - Vendor Advisory, Mitigation
CPE cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*

25 Feb 2026, 02:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-25 02:16

Updated : 2026-06-17 10:18


NVD link : CVE-2026-21443

Mitre link : CVE-2026-21443

CVE.ORG link : CVE-2026-21443


JSON object : View

Products Affected

open-emr

  • openemr
CWE
CWE-116

Improper Encoding or Escaping of Output