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CVE-2025-54856

Estado: AplazadaMedia (4.6)—

Movable Type contains a stored cross-site scripting vulnerability in Edit ContentData page. If crafted input is stored by an attacker with "ContentType Management" privilege, an arbitrary script may be executed on the web browser of the user who accesses Edit ContentData page.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Movabletype — Movable TypeAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-54856",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-54856",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-10-23T15:15:01.685901Z"
        }
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "vultures@jpcert.or.jp",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 4.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.7
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "vultures@jpcert.or.jp",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 4.6,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "ACTIVE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "HIGH",
          "subIntegrityImpact": "LOW",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "LOW",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type (Software Edition)",
          "versions": [
            {
              "status": "affected",
              "version": "8.4.0 to 8.4.3 (8.4 series)"
            },
            {
              "status": "affected",
              "version": "8.0.0 to 8.0.7 (8.0 series)"
            },
            {
              "status": "affected",
              "version": "7 r.5509 and earlier (7 series)"
            }
          ]
        },
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type Advanced (Software Edition)",
          "versions": [
            {
              "status": "affected",
              "version": "8.4.0 to 8.4.3 (8.4 series)"
            },
            {
              "status": "affected",
              "version": "8.0.0 to 8.0.7 (8.0 series)"
            },
            {
              "status": "affected",
              "version": "7 r.5509 and earlier (7 series)"
            }
          ]
        },
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type Premium (Software Edition)",
          "versions": [
            {
              "status": "affected",
              "version": "2.10 and earlier (2 series)"
            },
            {
              "status": "affected",
              "version": "1.67 and earlier (1 series)"
            }
          ]
        },
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type Premium (Advanced Edition) (Software Edition)",
          "versions": [
            {
              "status": "affected",
              "version": "2.10 and earlier (2 series)"
            },
            {
              "status": "affected",
              "version": "1.67 and earlier (1 series)"
            }
          ]
        },
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type (Cloud Edition)",
          "versions": [
            {
              "status": "affected",
              "version": "8.7.0 (8 series)"
            },
            {
              "status": "affected",
              "version": "7 r.5509 (7 series)"
            }
          ]
        },
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type Premium (Cloud Edition)",
          "versions": [
            {
              "status": "affected",
              "version": "2.10 (2 series)"
            },
            {
              "status": "affected",
              "version": "1.67 (1 series)"
            }
          ]
        }
      ]
    }
  ],
  "published": "2025-10-23T05:15:32.583",
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN24333679/",
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://movabletype.org/news/2025/10/mt-880-released.html",
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://www.sixapart.jp/movabletype/news/2025/10/22-1055.html",
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "vultures@jpcert.or.jp",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Movable Type contains a stored cross-site scripting vulnerability in Edit ContentData page. If crafted input is stored by an attacker with \"ContentType Management\" privilege, an arbitrary script may be executed on the web browser of the user who accesses Edit ContentData page."
    }
  ],
  "lastModified": "2026-06-17T09:40:48.587",
  "sourceIdentifier": "vultures@jpcert.or.jp"
}