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CVE.org (no NVD analysis yet)· CNA VulnCheck

CVE-2026-124452: OpenEMR before 8.3.0 Stored XSS via Eye Exam Document Notes

Noroxi assessment

Priority: Monitor (action score 20/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Anyone who can reach it over the internet can trigger it. A low-privileged account is enough. No special conditions are required; it is repeatable.
  • Fixed version: openemr openemr 8.3.0.

Low priority for now. Upgrade to openemr openemr 8.3.0 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org

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.

MediumCVSS 5.1 · v4.0—No exploit Fix available
Published
Nov 8, 2026
Updated
Nov 8, 2026
EPSS
—

Report tools

JSON

Action score

20

Monitor

Low priority for now.

CVSS
20 / 40 · 5.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · —

CNA vs NVD score

NVD
—
CNA · VulnCheck
5.1
NVD has not scored this yet; the score shown is the CNA’s.

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2026-124452

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Limit the impact of XSS

This is a cross-site scripting (XSS) vulnerability. A well-configured Content-Security-Policy doesn't fix it, but greatly reduces its impact. Check your site's CSP and other security headers for free.

Check security headers

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulnCheck). Independent of NVD's CPE analysis and usually ahead of it.

  • openemr openemr

    • 8.3.0not affected
    • before 8.3.0affected · semver

Same product

openemr: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-102940OpenEMR: Missing Write ACL Allows Unauthorized Document Reassignment
    38Monitor
  • CVE-2026-124490OpenEMR before 8.3.0 Arbitrary File Read/Write via oe-module-faxsms disposeDocument
    37Monitor
  • CVE-2026-124469OpenEMR before 8.3.0 SQL Injection via Fee Sheet warehouse parameter
    37Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2026-124450Nov 8, 2026 · OpenEMR before 8.3.0 Arbitrary File Read/Write via disposeDocument
    37Monitor
  • ← EarlierCVE-2026-124451Nov 8, 2026 · OpenEMR before 8.4.0 Authorization Bypass via checkUserHasAccessToPatient in SMART on FHIR
    24Monitor
  • Later →CVE-2026-124453Nov 8, 2026 · OpenEMR before 8.3.0 IDOR in Portal Patient Settings via persist.php
    28Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
openemr openemr8.3.0Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. Fix recordedsame day
  3. TodayNov 9, 2026+1 d

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-1244630 days apartOpenEMR before 8.3.0 Stored XSS via CAMOS Rx Print View
    37Monitor
  • CVE-2026-1244480 days apartOpenEMR before 8.3.0 Stored XSS via CCDA/CCD Preview XSLT Attributes
    34Monitor
  • CVE-2026-1039353 days apartOpenEMR: Stored XSS via `text()` Misuse in Double-Quoted HTML Attribute
    32Monitor
  • CVE-2026-4050781 days apartOpenEMR < 8.3.0 Reflected XSS via templateHtml Parameter in Patient Portal
    20Monitor
  • CVE-2026-4050881 days apartOpenEMR < 8.3.0 Stored XSS via Patient Portal Template Import Handler
    20Monitor
  • CVE-2026-6761297 days apartOpenEMR 8.2.0 Stored XSS via import_template.php Template Management
    19Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
P
Scope
X

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Exploit maturity— → none
  2. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (1 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records