Vulnerability-Lookup

JVNDB-2026-000055

Vulnerability from jvndb - Published: 2026-04-15 08:21 - Updated:2026-04-15 08:21

Severity

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

Summary

GROWI vulnerable to stored cross-site scripting

Details

GROWI provided by GROWI, Inc. contains the following vulnerability.

Stored cross-site scripting (CWE-79) - CVE-2026-26291

Norihide Saito reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN62079296/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-26291
	Cross-site Scripting(CWE-79)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

GROWI, Inc.

GROWI

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000055.html",
  "dc:date": "2026-04-15T17:21+09:00",
  "dcterms:issued": "2026-04-15T17:21+09:00",
  "dcterms:modified": "2026-04-15T17:21+09:00",
  "description": "GROWI provided by GROWI, Inc. contains the following vulnerability.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/79.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eStored cross-site scripting (CWE-79) - CVE-2026-26291\u003c/li\u003e\u003c/ul\u003eNorihide Saito reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000055.html",
  "sec:cpe": {
    "#text": "cpe:/a:misc:growi_growi",
    "@product": "GROWI",
    "@vendor": "GROWI, Inc.",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "5.4",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000055",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN62079296/index.html",
      "@id": "JVN#62079296",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-26291",
      "@id": "CVE-2026-26291",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-79",
      "@title": "Cross-site Scripting(CWE-79)"
    }
  ],
  "title": "GROWI vulnerable to stored cross-site scripting"
}

CVE-2026-26291 (GCVE-0-2026-26291)

Vulnerability from cvelistv5 – Published: 2026-04-15 04:19 – Updated: 2026-04-15 16:13

Summary

Stored cross-site scripting vulnerability exists in GROWI v7.4.6 and earlier. If this vulnerability is exploited, an arbitrary script may be executed in a user's web browser.

Severity

5.4 (Medium)


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

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:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-15 13:32 UTC

CWE

CWE-79 - Cross-site scripting (XSS)

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://growi.co.jp/news/43/
https://jvn.jp/en/jp/JVN62079296/

Impacted products

1 product

Vendor	Product	Version
GROWI, Inc.	GROWI	Affected: v7.4.6 and earlier

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-26291",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-15T13:32:50.301600Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-15T16:13:20.770Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "product": "GROWI",
          "vendor": "GROWI, Inc.",
          "versions": [
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              "status": "affected",
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            }
          ]
        }
      ],
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          "lang": "en",
          "value": "Stored cross-site scripting vulnerability exists in GROWI v7.4.6 and earlier. If this vulnerability is exploited, an arbitrary script may be executed in a user\u0027s web browser."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
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              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
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            "baseSeverity": "MEDIUM",
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          },
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      "references": [
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          "url": "https://growi.co.jp/news/43/"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN62079296/"
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  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
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    "datePublished": "2026-04-15T04:19:31.678Z",
    "dateReserved": "2026-04-10T06:02:38.943Z",
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    "state": "PUBLISHED"
  },
  "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.
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.