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CVE-2026-24447

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f56d53d11eb48d8eebb2ebe0b481ecd692b7d6d03e20a97f71c5b246754f5486
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"product":"Movable Type (Software Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.4 to 9.0.5 (9.0 series)"},{"status":"affected","version":"8.8.0 to 8.8.1 (8.8 series)"},{"status":"affected","version":"8.0.2 to 8.0.8 (8.0 series)"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/0

{"product":"Movable Type Premium (Software Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.4 (MTP 9.0 series)"},{"status":"affected","version":"2.13 and earlier (MTP 2 series)"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/2

{"product":"Movable Type Premium (Cloud Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.5 (9 series)"},{"status":"affected","version":"2.12 (MTP 2 series)"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/5

{"product":"Movable Type Advanced (Software Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.4 to 9.0.5 (9.0 series)"},{"status":"affected","version":"8.8.0 to 8.8.1 (8.8 series)"},{"status":"affected","version":"8.0.2 to 8.0.8 (8.0 series)"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/1

{"product":"Movable Type (Cloud Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.5 (9 series)"},{"status":"affected","version":"8.8.1 (8 series)"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/4

{"product":"Movable Type Premium (Advanced Edition) (Software Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.4 (MTP 9.0 series)"},{"status":"affected","version":"2.13 and earlier (MTP 2 series)"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/3
cvss · 2 assertions

{"metric":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/metrics/0/cvssV3_0

{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

6 source assertions
{"product":"Movable Type (Software Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.4 to 9.0.5 (9.0 series)"},{"status":"affected","version":"8.8.0 to 8.8.1 (8.8 series)"},{"status":"affected","version":"8.0.2 to 8.0.8 (8.0 series)"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/0
{"product":"Movable Type Premium (Software Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.4 (MTP 9.0 series)"},{"status":"affected","version":"2.13 and earlier (MTP 2 series)"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/2
{"product":"Movable Type Premium (Cloud Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.5 (9 series)"},{"status":"affected","version":"2.12 (MTP 2 series)"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/5
{"product":"Movable Type Advanced (Software Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.4 to 9.0.5 (9.0 series)"},{"status":"affected","version":"8.8.0 to 8.8.1 (8.8 series)"},{"status":"affected","version":"8.0.2 to 8.0.8 (8.0 series)"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/1
{"product":"Movable Type (Cloud Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.5 (9 series)"},{"status":"affected","version":"8.8.1 (8 series)"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/4
{"product":"Movable Type Premium (Advanced Edition) (Software Edition)","vendor":"Six Apart Ltd.","versions":[{"status":"affected","version":"9.0.4 (MTP 9.0 series)"},{"status":"affected","version":"2.13 and earlier (MTP 2 series)"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/affected/3

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/metrics/0/cvssV3_0
{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-1236","description":"Improper neutralization of formula elements in a CSV file","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://jvn.jp/en/jp/JVN45405689/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/references/2
{"url":"https://movabletype.org/news/2026/02/mt-906-released.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/references/0
{"url":"https://www.sixapart.jp/movabletype/news/2026/02/04-1100.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32bd840995efa15861290759e82735b096c6c2196a3775aa716b6a6c3aff063a · sha256:ca1a4b03508e86c3… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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