{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2025-54856",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-54856",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-23T04:10:30.545Z",
    "updatedAt": "2025-10-23T15:18:25.113Z",
    "importedAt": "2026-10-24T01:57:39.058Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": null,
      "summary": "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.",
      "affected": [
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type (Software Edition)",
          "versions": [
            {
              "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)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type Advanced (Software Edition)",
          "versions": [
            {
              "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)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type Premium (Software Edition)",
          "versions": [
            {
              "version": "2.10 and earlier (2 series)",
              "status": "affected"
            },
            {
              "version": "1.67 and earlier (1 series)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type Premium (Advanced Edition) (Software Edition)",
          "versions": [
            {
              "version": "2.10 and earlier (2 series)",
              "status": "affected"
            },
            {
              "version": "1.67 and earlier (1 series)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type (Cloud Edition)",
          "versions": [
            {
              "version": "8.7.0 (8 series)",
              "status": "affected"
            },
            {
              "version": "7 r.5509 (7 series)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Six Apart Ltd.",
          "product": "Movable Type Premium (Cloud Edition)",
          "versions": [
            {
              "version": "2.10 (2 series)",
              "status": "affected"
            },
            {
              "version": "1.67 (1 series)",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}