CVE-2013-4620

OpenEMR 4.1.1 - Cross-Site Scripting via Office Comments Note Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2013-4620. PoCs published by Nate Drier.

AI-analyzed exploit summary This exploit demonstrates an HTML injection vulnerability in OpenEMR 4.1.1 patch-12 and prior. The 'note' parameter in a POST request to '/openemr-4.1.1/interface/main/onotes/office_comments_full.php' is vulnerable, allowing attacker-supplied HTML and script code to execute in the context of the affected browser.

Description

Cross-site scripting (XSS) vulnerability in interface/main/onotes/office_comments_full.php in OpenEMR 4.1.1 allows remote attackers to inject arbitrary web script or HTML via the note parameter.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Nate Drier · textwebappsphp
https://www.exploit-db.com/exploits/38654

This exploit demonstrates an HTML injection vulnerability in OpenEMR 4.1.1 patch-12 and prior. The 'note' parameter in a POST request to '/openemr-4.1.1/interface/main/onotes/office_comments_full.php' is vulnerable, allowing attacker-supplied HTML and script code to execute in the context of the affected browser.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: OpenEMR 4.1.1 patch-12 and prior
No auth needed
Prerequisites: Access to the target application · Ability to send POST requests to the vulnerable endpoint
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4

Scores

EPSS 0.0328
EPSS Percentile 86.9%

Details

CWE
CWE-79
Status published
Products (1)
open-emr/openemr 4.1.1
Published Aug 09, 2013
Tracked Since Feb 18, 2026