CVE-2019-3963
MediumIn OpenEMR 5.0.1 and earlier, controller.php contains a reflected XSS vulnerability in the patient_id parameter.
Published Aug 20, 2019 · Updated Jul 8, 2026
Key Facts
Patch immediately- CVE-2019-3963 is a medium-severity vulnerability (CVSS 6.1 v3.1) affecting OpenEMR (Open-Emr).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 53% probability of exploitation in the next 30 days.
- Fixed versions are available, including OpenEMR <=5.0.1, OpenEMR 5.0.1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
6.1
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS (30-day exploit likelihood)
53%
Higher than 98.9% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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Description
In OpenEMR 5.0.1 and earlier, controller.php contains a reflected XSS vulnerability in the patient_id parameter. This could allow an attacker to execute arbitrary code in the context of a user's session.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| OpenEMROpen-Emr | >= 5.0.1 and earlier | 5.0.1 |
Patched Releases
OpenEMR
<=5.0.1
Timeline
Publicly disclosed
Aug 20, 2019
Last updated
Jul 8, 2026
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
FAQ
Common Questions.
In OpenEMR 5.0.1 and earlier, controller.php contains a reflected XSS vulnerability in the patient_id parameter.
Affected: OpenEMR (Open-Emr) versions >= 5.0.1 and earlier. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including OpenEMR <=5.0.1, OpenEMR 5.0.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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