GSD-2021-43861
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. Prior to version 8.13.8, malicious diagrams can run javascript code at diagram readers' machines. Users should upgrade to version 8.13.8 to receive a patch. There are no known workarounds aside from upgrading.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-43861",
"description": "Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. Prior to version 8.13.8, malicious diagrams can run javascript code at diagram readers\u0027 machines. Users should upgrade to version 8.13.8 to receive a patch. There are no known workarounds aside from upgrading.",
"id": "GSD-2021-43861"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-43861"
],
"details": "Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. Prior to version 8.13.8, malicious diagrams can run javascript code at diagram readers\u0027 machines. Users should upgrade to version 8.13.8 to receive a patch. There are no known workarounds aside from upgrading.",
"id": "GSD-2021-43861",
"modified": "2023-12-13T01:23:26.687159Z",
"schema_version": "1.4.0"
}
},
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"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2021-43861",
"STATE": "PUBLIC",
"TITLE": "Incorrect sanitisation function leads to `XSS`"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "mermaid",
"version": {
"version_data": [
{
"version_value": "\u003c 8.13.8"
}
]
}
}
]
},
"vendor_name": "mermaid-js"
}
]
}
},
"data_format": "MITRE",
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"data_version": "4.0",
"description": {
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"value": "Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. Prior to version 8.13.8, malicious diagrams can run javascript code at diagram readers\u0027 machines. Users should upgrade to version 8.13.8 to receive a patch. There are no known workarounds aside from upgrading."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "CWE-20: Improper Input Validation"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/mermaid-js/mermaid/security/advisories/GHSA-p3rp-vmj9-gv6v",
"refsource": "CONFIRM",
"url": "https://github.com/mermaid-js/mermaid/security/advisories/GHSA-p3rp-vmj9-gv6v"
},
{
"name": "https://github.com/mermaid-js/mermaid/commit/066b7a0d0bda274d94a2f2d21e4323dab5776d83",
"refsource": "MISC",
"url": "https://github.com/mermaid-js/mermaid/commit/066b7a0d0bda274d94a2f2d21e4323dab5776d83"
},
{
"name": "https://github.com/mermaid-js/mermaid/releases/tag/8.13.8",
"refsource": "MISC",
"url": "https://github.com/mermaid-js/mermaid/releases/tag/8.13.8"
}
]
},
"source": {
"advisory": "GHSA-p3rp-vmj9-gv6v",
"discovery": "UNKNOWN"
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c8.13.8",
"affected_versions": "All versions before 8.13.8",
"cvss_v2": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-937"
],
"date": "2023-07-21",
"description": "Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams., malicious diagrams can run javascript code at diagram readers\u0027 machines. Users should upgrade to to receive a patch. There are no known workarounds aside from upgrading.",
"fixed_versions": [
"8.13.8"
],
"identifier": "CVE-2021-43861",
"identifiers": [
"CVE-2021-43861",
"GHSA-p3rp-vmj9-gv6v"
],
"not_impacted": "All versions starting from 8.13.8",
"package_slug": "npm/mermaid",
"pubdate": "2021-12-30",
"solution": "Upgrade to version 8.13.8 or above.",
"title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-43861",
"https://github.com/mermaid-js/mermaid/releases/tag/8.13.8",
"https://github.com/mermaid-js/mermaid/commit/066b7a0d0bda274d94a2f2d21e4323dab5776d83",
"https://github.com/mermaid-js/mermaid/security/advisories/GHSA-p3rp-vmj9-gv6v"
],
"uuid": "f9c5db83-c736-4920-b601-54b4cad29da7"
}
]
},
"nvd.nist.gov": {
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"nodes": [
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"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:mermaid_project:mermaid:*:*:*:*:*:node.js:*:*",
"cpe_name": [],
"versionEndExcluding": "8.13.8",
"vulnerable": true
}
],
"operator": "OR"
}
]
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"cve": {
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"ID": "CVE-2021-43861"
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"description": {
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"value": "Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. Prior to version 8.13.8, malicious diagrams can run javascript code at diagram readers\u0027 machines. Users should upgrade to version 8.13.8 to receive a patch. There are no known workarounds aside from upgrading."
}
]
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"problemtype": {
"problemtype_data": [
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"description": [
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"lang": "en",
"value": "NVD-CWE-Other"
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},
"references": {
"reference_data": [
{
"name": "https://github.com/mermaid-js/mermaid/releases/tag/8.13.8",
"refsource": "MISC",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/mermaid-js/mermaid/releases/tag/8.13.8"
},
{
"name": "https://github.com/mermaid-js/mermaid/commit/066b7a0d0bda274d94a2f2d21e4323dab5776d83",
"refsource": "MISC",
"tags": [
"Patch",
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],
"url": "https://github.com/mermaid-js/mermaid/commit/066b7a0d0bda274d94a2f2d21e4323dab5776d83"
},
{
"name": "https://github.com/mermaid-js/mermaid/security/advisories/GHSA-p3rp-vmj9-gv6v",
"refsource": "CONFIRM",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/mermaid-js/mermaid/security/advisories/GHSA-p3rp-vmj9-gv6v"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "LOW",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 2.7
}
},
"lastModifiedDate": "2023-07-21T16:44Z",
"publishedDate": "2021-12-30T14:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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.
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