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CVE-2026-33933

6.1 · MEDIUM

OpenEMR is a free and open source electronic health records and medical practice management application.

Published Mar 26, 2026CWE-79EPSS 0.92%

Overview

CVE-2026-33933 is a medium-severity vulnerability. It was published on March 26, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/openemr/openemr/commit/d5c8d49ef19983472b2d7db0dbebd2dac9d6a200GitHubgithub.com/openemr/openemr/commit/de9b6eb0da574430e8223c014cf4a05b0adc29d8GitHubgithub.com/openemr/openemr/releases/tag/v8_0_0_3GitHubgithub.com/openemr/openemr/security/advisories/GHSA-9qh7-cfq4-j7c3GitHubgithub.com/openemr/openemr/security/advisories/GHSA-9qh7-cfq4-j7c3

How CyberStrike helps

Frequently asked questions

What is CVE-2026-33933?

CVE-2026-33933 is a medium-severity vulnerability. It was published on March 26, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2026-33933?

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-33933?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-33933?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-33933 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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