What is CVE-2026-124452?

CVE-2026-124452 is a medium-severity vulnerability in Openemr, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-11-08.

How severe is CVE-2026-124452?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Openemr

CVE-2026-124452

OpenEMR before 8.3.0 contains a stored cross-site scripting vulnerability in interface/forms/eye_mag/report.php that allows authenticated users to inject scripts by adding unescaped document notes. Attackers with document-note write access can store malicious JavaScript in a retina document note that executes when clinicians generate the Eye Exam patient report, exposing session cookies.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-11-08.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Openemr

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

GitHub Security Advisory (GHSA-xwjf-6q28-9vj7) (vendor-advisory)
VulnCheck Advisory: OpenEMR before 8.3.0 Stored XSS via Eye Exam Document Notes (third-party-advisory)

Frequently asked questions

What is CVE-2026-124452?: CVE-2026-124452 is a medium-severity vulnerability in Openemr, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-11-08.
How severe is CVE-2026-124452?: Medium severity. CVSS v3 base score is 5.4 out of 10.