CVE-2026-21443 LOW

CVE-2026-21443: OpenEMR allows inconsistent escaping of translation function output

Vendor Openemr
Product openemr
Weakness CWE-116
Published February 25, 2026
Last update February 25, 2026

CVSS base score

1.2/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 25, 2026 CVE published
February 25, 2026 Record updated