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vuln-cve/data/2026/41xxx/CVE-2026-41518.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-41518",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-04-20T18:18:50.682Z",
"datePublished": "2026-06-04T19:28:55.627Z",
"dateUpdated": "2026-06-05T19:34:10.557Z"
},
"containers": {
"cna": {
"title": "Chartbrew has a stored DOM XSS via Chart Tooltip innerHTML (ChartDatasetConfig.legend)",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"lang": "en",
"description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/chartbrew/chartbrew/security/advisories/GHSA-6q2j-365c-7gqf",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/chartbrew/chartbrew/security/advisories/GHSA-6q2j-365c-7gqf"
}
],
"affected": [
{
"vendor": "chartbrew",
"product": "chartbrew",
"versions": [
{
"version": ">= 4.9.0, < 5.0.1",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-06-04T19:28:55.627Z"
},
"descriptions": [
{
"lang": "en",
"value": "Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. In versions 4.9.0 through 5.0.0, an authenticated user with project-editor permissions can store arbitrary HTML/JavaScript in the `ChartDatasetConfig.legend` field. The payload is persisted verbatim in the database, propagated through the Chart.js rendering pipeline, and injected into the tooltip DOM element via an unguarded `innerHTML` assignment in `ChartTooltip.js`. Every unauthenticated viewer of the public dashboard triggers JavaScript execution on page load — no hover interaction is required. Browser-based Playwright verification confirmed `alert('localhost')` fires immediately and `<img src=\"x\" onerror=\"alert(document.domain)\">` is present in the `#chartjs-tooltip` DOM element. Version 5.0.1 contains a fix."
}
],
"source": {
"advisory": "GHSA-6q2j-365c-7gqf",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/chartbrew/chartbrew/security/advisories/GHSA-6q2j-365c-7gqf",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-05T19:33:37.956153Z",
"id": "CVE-2026-41518",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-05T19:34:10.557Z"
}
}
]
}
}