GSD-2021-21370
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-21370",
"description": "TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.",
"id": "GSD-2021-21370"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
"details": "TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.",
"id": "GSD-2021-21370",
"modified": "2023-12-13T01:23:11.223859Z",
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"TITLE": "Cross-Site Scripting in Content Preview (CType menu)"
},
"affects": {
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{
"product": {
"product_data": [
{
"product_name": "TYPO3.CMS",
"version": {
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},
{
"version_value": "\u003e= 9.0.0, \u003c= 9.5.24"
},
{
"version_value": "\u003e= 10.0.0, \u003c= 10.4.13"
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{
"version_value": "\u003e= 11.0.0, \u003c= 11.1.0"
}
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"value": "TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1."
}
]
},
"impact": {
"cvss": {
"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"
}
},
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"description": [
{
"lang": "eng",
"value": "CWE-79 Cross-site Scripting (XSS)"
}
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},
"references": {
"reference_data": [
{
"name": "https://packagist.org/packages/typo3/cms-backend",
"refsource": "MISC",
"url": "https://packagist.org/packages/typo3/cms-backend"
},
{
"name": "https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh",
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"url": "https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh"
},
{
"name": "https://typo3.org/security/advisory/typo3-core-sa-2021-008",
"refsource": "MISC",
"url": "https://typo3.org/security/advisory/typo3-core-sa-2021-008"
}
]
},
"source": {
"advisory": "GHSA-x7hc-x7fm-f7qh",
"discovery": "UNKNOWN"
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003e=7.0.0,\u003c=7.6.50||\u003e=8.0.0,\u003c=8.7.39||\u003e=9.0.0,\u003c=9.5.24||\u003e=10.0.0,\u003c=10.4.13||\u003e=11.0.0,\u003c=11.1.0",
"affected_versions": "All versions starting from 7.0.0 up to 7.6.50, all versions starting from 8.0.0 up to 8.7.39, all versions starting from 9.0.0 up to 9.5.24, all versions starting from 10.0.0 up to 10.4.13, all versions starting from 11.0.0 up to 11.1.0",
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"cwe_ids": [
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"CWE-79",
"CWE-937"
],
"date": "2021-03-24",
"description": "TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.",
"fixed_versions": [
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"8.7.40",
"9.5.25",
"10.4.14",
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],
"identifier": "CVE-2021-21370",
"identifiers": [
"GHSA-x7hc-x7fm-f7qh",
"CVE-2021-21370"
],
"not_impacted": "All versions before 7.0.0, all versions after 7.6.50 before 8.0.0, all versions after 8.7.39 before 9.0.0, all versions after 9.5.24 before 10.0.0, all versions after 10.4.13 before 11.0.0, all versions after 11.1.0",
"package_slug": "packagist/typo3/cms-backend",
"pubdate": "2021-03-23",
"solution": "Upgrade to versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 or above.",
"title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"urls": [
"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh",
"https://packagist.org/packages/typo3/cms-backend",
"https://nvd.nist.gov/vuln/detail/CVE-2021-21370",
"https://typo3.org/security/advisory/typo3-core-sa-2021-008",
"https://github.com/advisories/GHSA-x7hc-x7fm-f7qh"
],
"uuid": "3e290f15-3f59-4c79-a107-cb89f5c167c8"
},
{
"affected_range": "\u003e=7.0.0,\u003c7.6.51||\u003e=8.0.0,\u003c8.7.40||\u003e=9.0.0,\u003c9.5.25||\u003e=10.0.0,\u003c10.4.14 ||\u003e=11.0.0,\u003c11.1.1",
"affected_versions": "All versions starting from 7.0.0 before 7.6.51, all versions starting from 8.0.0 before 8.7.40, all versions starting from 9.0.0 before 9.5.25, all versions starting from 10.0.0 before 10.4.14, all versions starting from 11.0.0 before 11.1.1",
"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-79",
"CWE-937"
],
"date": "2021-03-26",
"description": "TYPO3 content elements of type `_menu_` are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability.",
"fixed_versions": [
"7.6.51",
"8.7.40",
"9.5.25",
"10.4.14",
"11.1.1"
],
"identifier": "CVE-2021-21370",
"identifiers": [
"CVE-2021-21370",
"GHSA-x7hc-x7fm-f7qh"
],
"not_impacted": "All versions before 7.0.0, all versions starting from 7.6.51 before 8.0.0, all versions starting from 8.7.40 before 9.0.0, all versions starting from 9.5.25 before 10.0.0, all versions starting from 10.4.14 before 11.0.0, all versions starting from 11.1.1",
"package_slug": "packagist/typo3/cms-core",
"pubdate": "2021-03-23",
"solution": "Upgrade to versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 or above.",
"title": "Cross-site Scripting",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-21370",
"https://typo3.org/security/advisory/typo3-core-sa-2021-008"
],
"uuid": "f1832890-d967-4c60-a481-a1b6e0d48cb5"
},
{
"affected_range": "\u003e=7.0.0,\u003c7.6.51||\u003e=8.0.0,\u003c8.7.40||\u003e=9.0.0,\u003c9.5.25||\u003e=10.0.0,\u003c10.4.14 ||\u003e=11.0.0,\u003c11.1.1",
"affected_versions": "All versions starting from 7.0.0 before 7.6.51, all versions starting from 8.0.0 before 8.7.40, all versions starting from 9.0.0 before 9.5.25, all versions starting from 10.0.0 before 10.4.14, all versions starting from 11.0.0 before 11.1.1",
"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-79",
"CWE-937"
],
"date": "2021-03-26",
"description": "Content elements of type `_menu_` are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability.",
"fixed_versions": [
"7.6.51",
"8.7.40",
"9.5.25",
"10.4.14",
"11.1.1"
],
"identifier": "CVE-2021-21370",
"identifiers": [
"CVE-2021-21370",
"GHSA-x7hc-x7fm-f7qh"
],
"not_impacted": "All versions before 7.0.0, all versions starting from 7.6.51 before 8.0.0, all versions starting from 8.7.40 before 9.0.0, all versions starting from 9.5.25 before 10.0.0, all versions starting from 10.4.14 before 11.0.0, all versions starting from 11.1.1",
"package_slug": "packagist/typo3/cms",
"pubdate": "2021-03-23",
"solution": "Upgrade to versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 or above.",
"title": "Cross-site Scripting",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-21370",
"https://typo3.org/security/advisory/typo3-core-sa-2021-008"
],
"uuid": "cbe5eec5-2880-47e2-be72-844f83c6c9d0"
}
]
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},
"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": {
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"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": "2021-03-26T17:59Z",
"publishedDate": "2021-03-23T02:15Z"
}
}
}
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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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