{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-78213",
        "assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
        "state": "PUBLISHED",
        "assignerShortName": "twcert",
        "dateReserved": "2026-08-24T02:03:00.828Z",
        "datePublished": "2026-08-24T03:50:19.139Z",
        "dateUpdated": "2026-08-24T03:53:47.403Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
                "shortName": "twcert",
                "dateUpdated": "2026-08-24T03:53:47.403Z"
            },
            "title": "Hepta Platforms｜Heptabase - Stored Cross-Site Scripting",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-79",
                            "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-592",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-592 Stored XSS"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Hepta Platforms",
                    "product": "Heptabase",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "all",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Heptabase developed by Hepta Platforms, Inc. has a Stored Cross-Site Scripting vulnerability. Authenticated remote attackers can inject persistent malicious content into specific pages, causing arbitrary JavaScript code to execute when other users click the crafted content.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>Heptabase developed by Hepta Platforms, Inc. has a Stored Cross-Site Scripting vulnerability. Authenticated remote attackers can inject persistent malicious content into specific pages, causing arbitrary JavaScript code to execute when other users click the crafted content.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.twcert.org.tw/tw/cp-132-11125-9d359-1.html",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://www.twcert.org.tw/en/cp-139-11124-b8b51-2.html",
                    "tags": [
                        "third-party-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "REQUIRED",
                        "scope": "CHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.7,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"
                    }
                },
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "LOW",
                        "userInteraction": "ACTIVE",
                        "vulnConfidentialityImpact": "NONE",
                        "subConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 6.2,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Upgrade Heptabase to version 1.93.1 or later",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>Upgrade Heptabase to version 1.93.1 or later</p>"
                        }
                    ]
                }
            ],
            "source": {
                "advisory": "TVN-202608006",
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "TWCERT TVN Workbench"
            }
        }
    }
}