CVE-2026-33303 - Vulnerability Analysis
MediumCVSS: 5.4Last Updated: March 20, 2026
OpenEMR - Stored XSS
Published: March 19, 2026Updated: March 20, 2026PoC AvailableRemote Exploitable
Overview
OpenEMR < 8.0.0.2 contains a stored cross-site scripting caused by unescaped portal_login_username in the portal credential print view, letting patient portal users execute scripts in staff/admin browsers, exploit requires patient to set malicious username.
Severity & Score
Severity: Medium
CVSS Score: 5.4
Impact
Patient users can execute scripts in staff/admin browsers, potentially leading to session hijacking or unauthorized actions.
Mitigation
Update to version 8.0.0.2 or later.
References
Related Resources
Details
- CVE ID
- CVE-2026-33303
- Severity
- Medium
- CVSS Score
- 5.4
- Type
- stored_xss
- Status
- confirmed
CWE
- CWE-79
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N