CVE-2025-63416

{
  "id": "CVE-2025-63416",
  "sourceIdentifier": "[email protected]",
  "published": "2025-11-05T19:16:02.677",
  "lastModified": "2026-11-05T22:10:00.203",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "** exclusively-hosted-service ** A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the SelfBest platform 2023.3 allows authenticated low-privileged attackers to execute arbitrary JavaScript in the context of other users' sessions. This can be exploited to access administrative data and functions, leading to privilege escalation and full compromise of sensitive user data, as demonstrated by the ability to fetch and exfiltrate the contents of the /admin/users endpoint."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Cross-Site Scripting Almacenado (XSS) en la funcionalidad de chat de la plataforma SelfBest 2023.3 permite a atacantes autenticados con bajos privilegios ejecutar JavaScript arbitrario en el contexto de las sesiones de otros usuarios. Esto puede ser explotado para acceder a datos y funciones administrativas, lo que lleva a la escalada de privilegios y al compromiso total de datos sensibles de usuario, como se demuestra por la capacidad de obtener y exfiltrar el contenido del endpoint /admin/users."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "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:N/S:U/C:H/I:H/A:N",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-11-05T19:06:19.252454Z",
          "id": "CVE-2025-63416",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "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:selfbest:selfbest:2023.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "BEFD75F8-8977-44CF-9AF5-8F31DB2C85F3"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://rohitchaudhary045.medium.com/cve-2025-63416-the-admin-panel-heist-stored-xss-to-privilege-escalation-b4c69d8487f1",
      "source": "[email protected]",
      "tags": [
        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://self.best",
      "source": "[email protected]",
      "tags": [
        "Product"
      ]
    }
  ]
}