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CVE-2026-33299

HIGH CVSS 4.0: 8.5 EPSS 0.20%
Updated Mar 20, 2026
Openemr
Parameter Value
CVSS 8.5 (HIGH)
Affected Versions before 8.0.0.2
Fixed In 8.0.0.2
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Openemr
Public PoC No

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0.2, users with the `Notes - my encounters` role can fill **Eye Exam** forms in patient encounters. The answers to the form are displayed on the encounter page and in the visit history for the users with the same role.

There exists a stored cross-site scripting (XSS) vulnerability in the function to display the form answers, allowing any authenticated attacker with the specific role to insert arbitrary JavaScript into the system by entering malicious payloads to the form answers. The JavaScript code is later executed by any user with the form role when viewing the form answers in the patient encounter pages or visit history. Version 8.0.0.2 fixes the issue.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Open-Emr Openemr
cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*
8.0.0.2