CVE-2026-23704

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Exploitability : 2.3 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

References

Link	Resource
https://jvn.jp/en/jp/JVN45405689/
https://movabletype.org/news/2026/02/mt-906-released.html
https://www.sixapart.jp/movabletype/news/2026/02/04-1100.html

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) Un usuario no administrativo puede cargar archivos maliciosos. Cuando un administrador o el producto accede a ese archivo, un script arbitrario puede ejecutarse en el navegador del administrador. Tenga en cuenta que las series Movable Type 7 y 8.4, que están al final de su vida útil (EOL), también se ven afectadas por la vulnerabilidad.

04 Feb 2026, 07:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-04 07:16

Updated : 2026-06-17 10:21

NVD link : CVE-2026-23704

Mitre link : CVE-2026-23704

CVE.ORG link : CVE-2026-23704

JSON object : View

Products Affected

No product.

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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