Vulnerability-Lookup

JVNDB-2026-026396

Vulnerability from jvndb - Published: 2026-08-04 14:10 - Updated:2026-08-04 14:10

Severity

7.1 (High) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Summary

CSV file injection vulnerability in BaserCMS

Details

BaserCMS provided by baserCMS Users Community contains the following vulnerability.

Improper neutralization of formula elements in a CSV file (CWE-1236) - CVE-2026-65875

This vulnerability was reported by the following persons to JPCERT/CC. JPCERT/CC coordinated with the developer. VCSLab - Viettel Cyber Security quanlna2 (Le Nguyen Anh Quan) VCSLab - Viettel Cyber Security namdi (Do Ich Nam) VCSLab - Viettel Cyber Security minhnn42 (Nguyen Ngoc Minh)

References

Type

URL

	JVN	https://jvn.jp/en/vu/JVNVU94952030/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-65875
	Improper Neutralization of Formula Elements in a CSV File(CWE-1236)	https://cwe.mitre.org/data/definitions/1236.html

Impacted products

Vendor

Product

baserCMS Users Community

baserCMS

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-026396.html",
  "dc:date": "2026-08-04T14:10+09:00",
  "dcterms:issued": "2026-08-04T14:10+09:00",
  "dcterms:modified": "2026-08-04T14:10+09:00",
  "description": "BaserCMS provided by baserCMS Users Community contains the following vulnerability.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/1236.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eImproper neutralization of formula elements in a CSV file (CWE-1236) - CVE-2026-65875\u003c/li\u003e\u003c/ul\u003eThis vulnerability was reported by the following persons to JPCERT/CC. JPCERT/CC coordinated with the developer.\r\n\r\nVCSLab - Viettel Cyber Security quanlna2 (Le Nguyen Anh Quan)\r\nVCSLab - Viettel Cyber Security namdi (Do Ich Nam)\r\nVCSLab - Viettel Cyber Security minhnn42 (Nguyen Ngoc Minh)",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-026396.html",
  "sec:cpe": {
    "#text": "cpe:/a:basercms:basercms",
    "@product": "baserCMS",
    "@vendor": "baserCMS Users Community",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "7.1",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-026396",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU94952030/index.html",
      "@id": "JVNVU#94952030",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-65875",
      "@id": "CVE-2026-65875",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/1236.html",
      "@id": "CWE-1236",
      "@title": "Improper Neutralization of Formula Elements in a CSV File(CWE-1236)"
    }
  ],
  "title": "CSV file injection vulnerability in BaserCMS"
}

CVE-2026-65875 (GCVE-0-2026-65875)

Vulnerability from cvelistv5 – Published: 2026-08-03 00:13 – Updated: 2026-08-03 14:58

Summary

BaserCMS provided by baserCMS Users Community contains a CSV file injection vulnerability. If a user downloads and opens a CSV file containing malicious code injected by an attacker, the malicious code may be executed.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

5.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

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

Assigner

jpcert

References

2 references

URL	Tags
https://basercms.net/security/JVN_94952030
https://jvn.jp/en/vu/JVNVU94952030/

Impacted products

1 product

Vendor	Product	Version
baserCMS Users Community	BaserCMS	Affected: 0 , < 5.3.0 (semver)

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-65875",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-03T14:58:40.501423Z",
                "version": "2.0.3"
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              "type": "ssvc"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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          "vendor": "baserCMS Users Community",
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              "status": "affected",
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        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L",
            "version": "3.1"
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          "scenarios": [
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        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
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      },
      "references": [
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          "url": "https://basercms.net/security/JVN_94952030"
        },
        {
          "url": "https://jvn.jp/en/vu/JVNVU94952030/"
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  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
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    "datePublished": "2026-08-03T00:13:39.407Z",
    "dateReserved": "2026-07-23T09:15:44.203Z",
    "dateUpdated": "2026-08-03T14:58:59.056Z",
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  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

JVNDB-2026-026396

CVE-2026-65875 (GCVE-0-2026-65875)

Tags

Sightings

Nomenclature