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CVE-2021-47817

Published: Jan 21, 2026

Modified: May 25, 2026

PUBLISHED

CVSS v3.1

5.4

MEDIUM

Description

OpenEMR 5.0.2.1 contains a cross-site scripting vulnerability in user profile parameters that authenticated attackers can chain with a file upload to achieve remote code execution. Attackers can exploit the vulnerability by crafting a malicious payload to download and execute a web shell, enabling remote command execution on the vulnerable OpenEMR instance.

Vendor	Product	Versions
OpenEMR Foundation, Inc.	OpenEMR	affected `5.0.2.1`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

ExploitDB-49784

exploit

OpenEMR Official Website

product

OpenEMR 5.0.2.1 Download

product

SonarSource Vulnerability Analysis

vendor-advisory

Vulnerability Demonstration Video

technical-description

VulnCheck Advisory: OpenEMR 5.0.2.1 - Remote Code Execution

third-party-advisory

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