CVE-2026-23704 – Movable Type Cross-Site Scripting (XSS) Vulnerability

CVE ID : CVE-2026-23704

Published : Feb. 4, 2026, 7:03 a.m. | 15 minutes ago

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.

Severity: 6.5 | MEDIUM

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