CVE-2021-25921 Cross-site scripting in openemr
Attackers can inject malicious scripts into the Allergies section, potentially compromising admin accounts and modifying data in OpenEMR.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-25921?
CVE-2021-25921 is a medium-severity cross-site scripting vulnerability in Open-Emr Openemr, published on 22 Mar 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In OpenEMR, versions 2.7.3-rc1 to 6.0.0 are vulnerable to Stored Cross-Site-Scripting (XSS) due to user input not being validated properly in the `Allergies` section. An attacker could lure an admin to enter a malicious payload and by that initiate the exploit.
Weakness: CWE-79
Which versions are affected by CVE-2021-25921?
It affects 1 product.
Products include Open-Emr Openemr.
How do I fix CVE-2021-25921?
No fix has been published for CVE-2021-25921 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-2021-25921 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-25921 exists.
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- 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-vgg5-g88f-mq8p.