Vulnerability Report

CVE-2026-33912

Title: OpenEMR Stored XSS via Malicious Form

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2026-33912.

CWE Category CWE-79

Published Date Mar 25, 2026

Modified Date Mar 26, 2026

Exploit Status Not Found

Score 5.4 CVSS v3.1

Exploit Probability (EPSS)

0.22%

Vulnerability Summary

CVE-2026-33912: OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, an authenticated attacker could craft a malicious form that, when submitted by a victim, executes arbitrary JavaScript in the victim's browser session. Version 8.0.0.3 patches the issue.

Impacted Vendors

openemr 1

open-emr 1

Reference Links

https://github.com/openemr/openemr/commit/24dd47c3e4936a6ddd064924d17b0273c6ac4b66 https://github.com/openemr/openemr/commit/ae2a9e5edb8c88b9b0dff5969fd3aa98225f047e https://github.com/openemr/openemr/releases/tag/v8_0_0_3 https://github.com/openemr/openemr/security/advisories/GHSA-cpph-949w-w79v

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.4

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-33912 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

March 26, 2026 MODIFIED

Vulnerability data updated via NVD.

March 26, 2026 MODIFIED

Vulnerability data updated via NVD.

March 26, 2026 MODIFIED

Vulnerability data updated via NVD.

March 25, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected Stack

No specific products linked.