CVE-2026-33933 Details
Description
OpenEMR is a free and open source electronic health records and medical practice management application. Starting in version 7.0.2.1 and prior to version 8.0.0.3, a reflected cross-site scripting (XSS) vulnerability in the custom template editor allows an attacker to execute arbitrary JavaScript in an authenticated staff member's browser session by sending them a crafted URL. The attacker does not need an OpenEMR account. Version 8.0.0.3 patches the issue.
A reflected cross-site scripting vulnerability has been identified in OpenEMR versions 7.0.2.1 prior to 8.0.0.3. The issue resides in the custom template editor, where user input is not properly sanitized before being output. This vulnerability allows an attacker to execute arbitrary JavaScript in the browser session of an authenticated staff member by sending a crafted URL. Notably, the attacker does not need an OpenEMR account to exploit this vulnerability.
Users can update to OpenEMR version 8.0.0.3, which addresses this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 26, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| open-emr openemr | >= 7.0.2.1, < 8.0.0.3 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 26, 2026 | Initial Analysis | [email protected] |
| Mar 26, 2026 | CVE Modified | CISA-ADP |
| Mar 26, 2026 | New CVE Received | [email protected] |