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CVE-2019-3963

48
FAUCET Score

CVE-2019-3963 is a reflected Cross-Site Scripting (XSS) vulnerability in OpenEMR versions 5.0.1 and earlier, specifically within the patient_id parameter of controller.php. This medium-severity vulnerability (CVSS 6.1) allows an unauthenticated attacker to execute arbitrary code in a user's browser session with low attack complexity, potentially leading to information disclosure or data manipulation. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there's minimal community discussion or media coverage, its high FAUCET Risk Score of 82/100 indicates a significant potential impact if exploited.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.0.1CPE matchmatch criteria
cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
53.75%
Probability of exploitation in next 30 days
EPSS Percentile
98.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.5375 is in the 100th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

aristavendor investigatingvia llm_extracted
naturalintelligencevendor investigatingvia llm_extracted
netgearvendor investigatingvia llm_extracted
opencartvendor investigatingvia llm_extracted
payloadcmsvendor investigatingvia llm_extracted
safarivendor investigatingvia llm_extracted

Vendor Advisories (6)

netgearllm-netgear-40033d6c1b4fccc8HIGH

OpenEMR Multiple Vulnerabilities

Aug 19, 2019
aristallm-arista-509282e89b5eeaf2HIGH

OpenEMR Multiple Vulnerabilities

Aug 19, 2019
opencartllm-opencart-17cb4aa3321822ccHIGH

OpenEMR Multiple Vulnerabilities

Aug 19, 2019
safarillm-safari-550bbc0e740f3e4eHIGH

OpenEMR Multiple Vulnerabilities

Aug 19, 2019
naturalintelligencellm-naturalintelligence-a57f3afba1e88c5cHIGH

OpenEMR Multiple Vulnerabilities

Aug 19, 2019
payloadcmsllm-payloadcms-d9f18a6e03ac2c1aHIGH

OpenEMR Multiple Vulnerabilities

Aug 19, 2019

References

tenable.com / security/research/tra-2019-40
ExploitThird Party Advisory