OpenEMR up to 8.0.0.2 escape output

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in OpenEMR up to 8.0.0.2. This affects an unknown part. Executing a manipulation can lead to escape output. This vulnerability appears as CVE-2026-33301. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in OpenEMR up to 8.0.0.2 and classified as problematic. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a escape output vulnerability. The CWE definition for the vulnerability is CWE-116. The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved. As an impact it is known to affect confidentiality. CVE summarizes:

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 can be printed out in PDF form. An arbitrary file read vulnerability was identified in the PDF creation function where the form answers are parsed as unescaped HTML, allowing an attacker to include arbitrary image files from the server in the generated PDF. Version 8.0.0.2 fixes the issue.

The advisory is available at github.com. This vulnerability was named CVE-2026-33301 since 03/18/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available.

Upgrading to version 8.0.0.2 eliminates this vulnerability. Applying the patch dccc962f06bdf6105ca85c277915167caf3e7c28 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Escape output
CWE: CWE-116 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenEMR 8.0.0.2
Patch: dccc962f06bdf6105ca85c277915167caf3e7c28

Timelineinfo

03/18/2026 CVE reserved
03/20/2026 +2 days Advisory disclosed
03/20/2026 +0 days VulDB entry created
03/24/2026 +4 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-v9v3-q973-xp2h
Status: Confirmed

CVE: CVE-2026-33301 (🔒)
GCVE (CVE): GCVE-0-2026-33301
GCVE (VulDB): GCVE-100-351958

Entryinfo

Created: 03/20/2026 08:25
Updated: 03/24/2026 10:51
Changes: 03/20/2026 08:25 (68), 03/22/2026 20:43 (11), 03/24/2026 10:51 (1)
Complete: 🔍
Cache ID: 216::103

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