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Openemr CVE-2026-33299

| EUVD-2026-13160 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-03-19 GitHub_M
5.4
CVSS 3.1 · GitHub Advisory
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GitHub Advisory PRIMARY
5.4 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

4
Patch available
Apr 16, 2026 - 05:29 EUVD
8.0.0.2
EUVD ID Assigned
Mar 19, 2026 - 21:00 euvd
EUVD-2026-13160
Analysis Generated
Mar 19, 2026 - 21:00 vuln.today
CVE Published
Mar 19, 2026 - 20:07 nvd
MEDIUM 5.4

DescriptionGitHub Advisory

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0.2, users with the Notes - my encounters role can fill Eye Exam forms in patient encounters. The answers to the form are displayed on the encounter page and in the visit history for the users with the same role. There exists a stored cross-site scripting (XSS) vulnerability in the function to display the form answers, allowing any authenticated attacker with the specific role to insert arbitrary JavaScript into the system by entering malicious payloads to the form answers. The JavaScript code is later executed by any user with the form role when viewing the form answers in the patient encounter pages or visit history. Version 8.0.0.2 fixes the issue.

AnalysisAI

Stored XSS in OpenEMR prior to 8.0.0.2 allows authenticated users with the "Notes - my encounters" role to inject malicious JavaScript into Eye Exam form fields, which executes when other users with the same role view the form responses. An attacker can exploit this to steal session tokens, perform unauthorized actions, or compromise patient data through form manipulation. …

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Vulnerability AssessmentAI

Risk Assessment Attackers can steal session cookies, redirect users to malicious sites, deface content, or perform actions on behalf of authenticated users. Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker injects a JavaScript payload into a vulnerable input field. When another user views the page, the script executes in their browser, stealing their session token.
Remediation Encode all user-supplied output contextually (HTML, JS, URL). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all OpenEMR instances and document current versions; disable Eye Exam form functionality if version is below 8.0.0.2. …

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CVE-2026-33299 vulnerability details – vuln.today

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