CVE-2026-33933
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
2Tags
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.
Analysis
A reflected cross-site scripting (XSS) vulnerability exists in the custom template editor of OpenEMR, a widely-deployed open-source electronic health records system. Attackers can craft malicious URLs that, when clicked by authenticated staff members, execute arbitrary JavaScript within their browser sessions and gain access to sensitive medical data and system functions; notably, the attacker does not require an OpenEMR account themselves. …
Sign in for full analysis, threat intelligence, and remediation guidance.
Remediation
Within 30 days: Identify affected systems running version 7.0.2.1 and and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
Sign in for detailed remediation steps.
Priority Score
Share
External POC / Exploit Code
Leaving vuln.today