{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-54856", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "state": "PUBLISHED", "assignerShortName": "jpcert", "dateReserved": "2025-10-16T00:31:56.364Z", "datePublished": "2025-10-23T04:10:30.545Z", "dateUpdated": "2025-10-23T04:10:30.545Z"}, "containers": {"cna": {"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"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "Cross-site scripting (XSS)", "lang": "en-US", "cweId": "CWE-79", "type": "CWE"}]}], "references": [{"url": "https://movabletype.org/news/2025/10/mt-880-released.html"}, {"url": "https://www.sixapart.jp/movabletype/news/2025/10/22-1055.html"}, {"url": "https://jvn.jp/en/jp/JVN24333679/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_0": {"version": "3.0", "baseSeverity": "MEDIUM", "baseScore": 4.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV4_0": {"version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 4.6, "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"}}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2025-10-23T04:10:30.545Z"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2025-54856", "lastModified": "2025-10-23T05:15:32.583", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 1.7, "impactScore": 2.7, "source": "vultures@jpcert.or.jp", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "ACTIVE", "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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vultures@jpcert.or.jp", "type": "Secondary"}]}, "published": "2025-10-23T05:15:32.583", "references": [{"source": "vultures@jpcert.or.jp", "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"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "vultures@jpcert.or.jp", "type": "Primary"}]}

{}

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