CVE-2026-126474

MEDIUMCVSS 6.1/10

Last modified

CVE-2026-126474 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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..

Description

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
openemropenemr< 8.5.0

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-126474?
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.
How severe is CVE-2026-126474?
CVE-2026-126474 has a CVSS score of 6.1/10 (MEDIUM severity).
How do I fix CVE-2026-126474?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST