{"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":"2026-02-04T16:08:00.768Z"},"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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-04T16:07:52.134565Z","id":"CVE-2026-22875","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-04T16:08:00.768Z"}}]}}