{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-22875", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "state": "PUBLISHED", "assignerShortName": "jpcert", "dateReserved": "2026-01-29T02:02:30.407Z", "datePublished": "2026-02-04T07:03:01.475Z", "dateUpdated": "2026-02-04T07:03:01.475Z"}, "containers": {"cna": {"affected": [{"vendor": "Six Apart Ltd.", "product": "Movable Type (Software Edition)", "versions": [{"version": "9.0.4 to 9.0.5 (9.0 series)", "status": "affected"}, {"version": "8.8.0 to 8.8.1 (8.8 series)", "status": "affected"}, {"version": "8.0.2 to 8.0.8 (8.0 series)", "status": "affected"}]}, {"vendor": "Six Apart Ltd.", "product": "Movable Type Advanced (Software Edition)", "versions": [{"version": "9.0.4 to 9.0.5 (9.0 series)", "status": "affected"}, {"version": "8.8.0 to 8.8.1 (8.8 series)", "status": "affected"}, {"version": "8.0.2 to 8.0.8 (8.0 series)", "status": "affected"}]}, {"vendor": "Six Apart Ltd.", "product": "Movable Type Premium (Software Edition)", "versions": [{"version": "9.0.4 (MTP 9.0 series)", "status": "affected"}, {"version": "2.13 and earlier (MTP 2 series)", "status": "affected"}]}, {"vendor": "Six Apart Ltd.", "product": "Movable Type Premium (Advanced Edition) (Software Edition)", "versions": [{"version": "9.0.4 (MTP 9.0 series)", "status": "affected"}, {"version": "2.13 and earlier (MTP 2 series)", "status": "affected"}]}, {"vendor": "Six Apart Ltd.", "product": "Movable Type (Cloud Edition)", "versions": [{"version": "9.0.5 (9 series)", "status": "affected"}, {"version": "8.8.1 (8 series)", "status": "affected"}]}, {"vendor": "Six Apart Ltd.", "product": "Movable Type Premium (Cloud Edition)", "versions": [{"version": "9.0.5 (9 series)", "status": "affected"}, {"version": "2.12 (MTP 2 series)", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "Movable Type contains a stored cross-site scripting vulnerability in Export Sites. If crafted input is stored by an attacker, arbitrary script may be executed on a logged-in user's web browser. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well."}], "problemTypes": [{"descriptions": [{"description": "Cross-site scripting (XSS)", "lang": "en-US", "cweId": "CWE-79", "type": "CWE"}]}], "references": [{"url": "https://movabletype.org/news/2026/02/mt-906-released.html"}, {"url": "https://www.sixapart.jp/movabletype/news/2026/02/04-1100.html"}, {"url": "https://jvn.jp/en/jp/JVN45405689/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_0": {"version": "3.0", "baseSeverity": "MEDIUM", "baseScore": 5.4, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/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": 4.8, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2026-02-04T07:03:01.475Z"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Movable Type contains a stored cross-site scripting vulnerability in Export Sites. If crafted input is stored by an attacker, arbitrary script may be executed on a logged-in user's web browser. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well."}], "id": "CVE-2026-22875", "lastModified": "2026-02-04T07:16:01.213", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 2.3, "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": 4.8, "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": "LOW", "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:L/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": "2026-02-04T07:16:01.213", "references": [{"source": "vultures@jpcert.or.jp", "url": "https://jvn.jp/en/jp/JVN45405689/"}, {"source": "vultures@jpcert.or.jp", "url": "https://movabletype.org/news/2026/02/mt-906-released.html"}, {"source": "vultures@jpcert.or.jp", "url": "https://www.sixapart.jp/movabletype/news/2026/02/04-1100.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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