Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- 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
FAQ
What is CVE-2026-24447?
CVE-2026-24447 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 embedde...
How severe is CVE-2026-24447?
CVE-2026-24447 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-24447?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.