Vulnerability-Lookup

GHSA-2VRW-PCJQ-FV9H

Vulnerability from github – Published: 2026-02-04 09:30 – Updated: 2026-02-04 09:30

Details

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.

Severity

6.5 (Medium)


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

4.8 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L

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{
  "affected": [],
  "aliases": [
    "CVE-2026-24447"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1236"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-04T07:16:01Z",
    "severity": "MODERATE"
  },
  "details": "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\u0027s environment. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.",
  "id": "GHSA-2vrw-pcjq-fv9h",
  "modified": "2026-02-04T09:30:28Z",
  "published": "2026-02-04T09:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24447"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN45405689"
    },
    {
      "type": "WEB",
      "url": "https://movabletype.org/news/2026/02/mt-906-released.html"
    },
    {
      "type": "WEB",
      "url": "https://www.sixapart.jp/movabletype/news/2026/02/04-1100.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-24447 (GCVE-0-2026-24447)

Vulnerability from cvelistv5 – Published: 2026-02-04 07:04 – Updated: 2026-02-04 15:55

Summary

Severity

6.5 (Medium)


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

4.8 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-04 15:55 UTC

CWE

CWE-1236 - Improper neutralization of formula elements in a CSV file

Assigner

jpcert jpcert root

References

3 references

URL	Tags
https://movabletype.org/news/2026/02/mt-906-relea…
https://www.sixapart.jp/movabletype/news/2026/02/…
https://jvn.jp/en/jp/JVN45405689/

Impacted products

6 products

Vendor	Product	Version
Six Apart Ltd.	Movable Type (Software Edition)	Affected: 9.0.4 to 9.0.5 (9.0 series) Affected: 8.8.0 to 8.8.1 (8.8 series) Affected: 8.0.2 to 8.0.8 (8.0 series)
Six Apart Ltd.	Movable Type Advanced (Software Edition)	Affected: 9.0.4 to 9.0.5 (9.0 series) Affected: 8.8.0 to 8.8.1 (8.8 series) Affected: 8.0.2 to 8.0.8 (8.0 series)
Six Apart Ltd.	Movable Type Premium (Software Edition)	Affected: 9.0.4 (MTP 9.0 series) Affected: 2.13 and earlier (MTP 2 series)
Six Apart Ltd.	Movable Type Premium (Advanced Edition) (Software Edition)	Affected: 9.0.4 (MTP 9.0 series) Affected: 2.13 and earlier (MTP 2 series)
Six Apart Ltd.	Movable Type (Cloud Edition)	Affected: 9.0.5 (9 series) Affected: 8.8.1 (8 series)
Six Apart Ltd.	Movable Type Premium (Cloud Edition)	Affected: 9.0.5 (9 series) Affected: 2.12 (MTP 2 series)

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JSON

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{
  "containers": {
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        "metrics": [
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                "id": "CVE-2026-24447",
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                  },
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                    "Technical Impact": "partial"
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                "timestamp": "2026-02-04T15:55:19.585103Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.