Cyber Resilience

CVE-2021-25919

Medium

Published: 22 March 2021

Published
22 March 2021
Modified
30 April 2025
KEV Added
Patch
CVSS Score v3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.3246 97.0th percentile
Risk Priority 29 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-25919 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Open-Emr Openemr. Its CVSS base score is 4.8 (Medium).

Operationally, ranked in the top 3.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In OpenEMR, versions 5.0.2 to 6.0.0 are vulnerable to Stored Cross-Site-Scripting (XSS) due to user input not being validated properly. A highly privileged attacker could inject arbitrary code into input fields when creating a new user.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

open-emr
openemr
5.0.2 — 6.0.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References