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CVE-2026-23704

6.5 · MEDIUM

A non-administrative user can upload malicious files.

Published Feb 4, 2026CWE-434EPSS 0.23%

Overview

CVE-2026-23704 is a medium-severity vulnerability. It was published on February 4, 2026 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refjvn.jp/en/jp/JVN45405689/Refmovabletype.org/news/2026/02/mt-906-released.htmlRefwww.sixapart.jp/movabletype/news/2026/02/04-1100.html

How CyberStrike helps

Frequently asked questions

What is CVE-2026-23704?

CVE-2026-23704 is a medium-severity vulnerability. It was published on February 4, 2026 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2026-23704?

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-23704?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-23704?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23704 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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