CVE-2021-47817

low-risk
Published 2026-01-21

OpenEMR 5.0.2.1 contains a cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript through user profile parameters. 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.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Open-Emr

References (6)

Exploit https://blog.sonarsource.com/openemr-5-0-2-1-command-injection-vulnerability?utm...
Product https://sourceforge.net/projects/openemr/files/OpenEMR%20Current/5.0.2.1/openemr...
Exploit https://www.exploit-db.com/exploits/49784
Product https://www.open-emr.org/
Third Party Advisory https://www.vulncheck.com/advisories/openemr-remote-code-execution
Exploit https://www.youtube.com/watch?v=H8VWNwWgYJo&feature=emb_logo
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal