CVE-2019-3966 Cross-site scripting in OpenEMR
Reflected XSS in OpenEMR allows attackers to execute arbitrary code in a user's session, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-3966?
CVE-2019-3966 is a medium-severity cross-site scripting vulnerability in Open-Emr Openemr, published on 20 Aug 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In OpenEMR 5.0.1 and earlier, controller.php contains a reflected XSS vulnerability in the foreign_id parameter. This could allow an attacker to execute arbitrary code in the context of a user's session.
Weakness: CWE-79
Which versions are affected by CVE-2019-3966?
It affects 1 product.
Products include Open-Emr Openemr.
How do I fix CVE-2019-3966?
No fix has been published for CVE-2019-3966 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2019-3966 being exploited?
There is no known exploitation of CVE-2019-3966 in the wild and no public exploit code.
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- CVE-2026-24849 OpenEMR Arbitrary File Read Vulnerability
- CVE-2026-24908 OpenEMR has SQL Injection in Patient API Sort Parameter
- CVE-2022-2734 Improper Restriction of Rendered UI Layers or Frames in openemr/openemr
- CVE-2024-22611 SQL injection in n/a
Sources
Also known as GHSA-vqwh-57c2-q4rh.