CVE-2026-126474

EUVD-2026-124950
OpenEMR before 8.5.0 contains a reflected cross-site scripting vulnerability in the ACL module that allows attackers to execute JavaScript in authenticated sessions via the module_id parameter. Attackers can deliver crafted acl/index or acl/acl links that inject unencoded input into inline script blocks, stealing non-HttpOnly session cookies and modifying ACL configuration.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 18.25%
Common Weakness Enumeration
References
https://github.com/openemr/openemr/security/advisories/GHSA-mccm-83g2-7v57
https://www.vulncheck.com/advisories/openemr-before-8.5.0-reflected-xss-via-acl-module-module-id-parameter