CVE-2026-33933

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.

• CWE-79

• https://github.com/openemr/openemr/commit/d5c8d49ef19983472b2d7db0dbebd2dac9d6a200Patch
• https://github.com/openemr/openemr/commit/de9b6eb0da574430e8223c014cf4a05b0adc29d8Patch
• https://github.com/openemr/openemr/releases/tag/v8_0_0_3Product
• https://github.com/openemr/openemr/security/advisories/GHSA-9qh7-cfq4-j7c3Exploit, Vendor Advisory
• https://github.com/openemr/openemr/security/advisories/GHSA-9qh7-cfq4-j7c3Exploit, Vendor Advisory

Published

Mar 26, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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