CVE-2021-25917 Cross-site scripting in openemr
A highly privileged attacker can inject arbitrary code via user input fields in the U2F authentication page, leading to stored XSS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-25917?
CVE-2021-25917 is a medium-severity cross-site scripting vulnerability in Open-Emr Openemr, published on 22 Mar 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
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 and rendered in the U2F USB Device authentication method page. A highly privileged attacker could inject arbitrary code into input fields when creating a new user.
Weakness: CWE-79
Which versions are affected by CVE-2021-25917?
It affects 1 product.
Products include Open-Emr Openemr.
How do I fix CVE-2021-25917?
No fix has been published for CVE-2021-25917 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-2021-25917 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-25917 exists.
Other vulnerabilities in Open-Emr Openemr
- CVE-2026-24898 OpenEMR has an Unauthenticated MedEx Token Disclosure
- 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-pp25-23j3-j77g.