{"id":"CVE-2026-23704","state":"PUBLISHED","title":"A non-administrative user can upload malicious files. When an administrator or the product accesses that file, an arbitrary script may be executed on the administrator's browser. N","description":"A non-administrative user can upload malicious files. When an administrator or the product accesses that file, an arbitrary script may be executed on the administrator's browser. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.","publishedAt":"2026-02-04T07:03:37.889Z","updatedAt":"2026-02-04T16:07:28.812Z","severity":{"score":5.1,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L","source":"jpcert"},"assigner":"jpcert","products":["Six Apart Ltd. Movable Type (Software Edition)","Six Apart Ltd. Movable Type Advanced (Software Edition)","Six Apart Ltd. Movable Type Premium (Software Edition)","Six Apart Ltd. 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