XSS in Open-Emr Openemr
CVE-2026-33912
OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, an authenticated attacker could craft a malicious form that, when submitted by a victim, executes arbitrary JavaScript in the victim's browser session. Version 8.0.0.3 patches the issue.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Open-Emr Openemr
- Openemr — versions < 8.0.0.3
Weakness classification (CWE)
References
- github.com/openemr/openemr/security/advisories/GHSA-cpph-949w-w79v (Vendor Advisory)
- github.com/openemr/openemr/commit/24dd47c3e4936a6ddd064924d17b0273c6ac4b66 (Patch)
- github.com/openemr/openemr/commit/ae2a9e5edb8c88b9b0dff5969fd3aa98225f047e (Patch)
- github.com/openemr/openemr/releases/tag/v8_0_0_3 (Product)
Frequently asked questions
- What is CVE-2026-33912?
- CVE-2026-33912 is a medium-severity vulnerability in Open-Emr Openemr, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-03-25.
- How severe is CVE-2026-33912?
- Medium severity. CVSS v3 base score is 5.4 out of 10.