CVE-2026-24447

MEDIUM

Movable Type - Code Injection

Title source: llm

Description

If a malformed data is input to the affected product, a CSV file downloaded from the affected product may contain such malformed data. When a victim user download and open such a CSV file, the embedded code may be executed in the user's environment. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.

References (3)

[Third Party Advisory] https://jvn.jp/en/jp/JVN45405689/

[Various Sources] https://movabletype.org/news/2026/02/mt-906-released.html

[Various Sources] https://www.sixapart.jp/movabletype/news/2026/02/04-1100.html

Scores

CVSS v3 6.5

EPSS 0.0001

EPSS Percentile 2.4%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Classification

CWE

CWE-1236

Status draft

Timeline

Published Feb 04, 2026

Tracked Since Feb 18, 2026