GSD-2020-26216
Vulnerability from gsd - Updated: 2023-12-13 01:22Details
TYPO3 Fluid before versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 and 2.6.10 is vulnerable to Cross-Site Scripting. Three XSS vulnerabilities have been detected in Fluid: 1. TagBasedViewHelper allowed XSS through maliciously crafted additionalAttributes arrays by creating keys with attribute-closing quotes followed by HTML. When rendering such attributes, TagBuilder would not escape the keys. 2. ViewHelpers which used the CompileWithContentArgumentAndRenderStatic trait, and which declared escapeOutput = false, would receive the content argument in unescaped format. 3. Subclasses of AbstractConditionViewHelper would receive the then and else arguments in unescaped format. Update to versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 or 2.6.10 of this typo3fluid/fluid package that fix the problem described. More details are available in the linked advisory.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-26216",
"description": "TYPO3 Fluid before versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 and 2.6.10 is vulnerable to Cross-Site Scripting. Three XSS vulnerabilities have been detected in Fluid: 1. TagBasedViewHelper allowed XSS through maliciously crafted additionalAttributes arrays by creating keys with attribute-closing quotes followed by HTML. When rendering such attributes, TagBuilder would not escape the keys. 2. ViewHelpers which used the CompileWithContentArgumentAndRenderStatic trait, and which declared escapeOutput = false, would receive the content argument in unescaped format. 3. Subclasses of AbstractConditionViewHelper would receive the then and else arguments in unescaped format. Update to versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 or 2.6.10 of this typo3fluid/fluid package that fix the problem described. More details are available in the linked advisory.",
"id": "GSD-2020-26216"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-26216"
],
"details": "TYPO3 Fluid before versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 and 2.6.10 is vulnerable to Cross-Site Scripting. Three XSS vulnerabilities have been detected in Fluid: 1. TagBasedViewHelper allowed XSS through maliciously crafted additionalAttributes arrays by creating keys with attribute-closing quotes followed by HTML. When rendering such attributes, TagBuilder would not escape the keys. 2. ViewHelpers which used the CompileWithContentArgumentAndRenderStatic trait, and which declared escapeOutput = false, would receive the content argument in unescaped format. 3. Subclasses of AbstractConditionViewHelper would receive the then and else arguments in unescaped format. Update to versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 or 2.6.10 of this typo3fluid/fluid package that fix the problem described. More details are available in the linked advisory.",
"id": "GSD-2020-26216",
"modified": "2023-12-13T01:22:08.738015Z",
"schema_version": "1.4.0"
}
},
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"impact": {
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
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"name": "https://github.com/TYPO3/Fluid/commit/f20db4e74cf9803c6cffca2ed2f03e1b0b89d0dc",
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"url": "https://github.com/TYPO3/Fluid/commit/f20db4e74cf9803c6cffca2ed2f03e1b0b89d0dc"
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"name": "https://typo3.org/security/advisory/typo3-core-sa-2020-009",
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"url": "https://typo3.org/security/advisory/typo3-core-sa-2020-009"
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{
"affected_range": "\u003c2.0.8||\u003e=2.1.0,\u003c2.1.7||\u003e=2.2.0,\u003c2.2.4||\u003e=2.3.0,\u003c2.3.7||\u003e=2.4.0, \u003c2.4.4||\u003e=2.5.0,\u003c2.5.11||\u003e=2.6.0,\u003c2.6.10",
"affected_versions": "All versions before 2.0.8, all versions starting from 2.1.0 before 2.1.7, all versions starting from 2.2.0 before 2.2.4, all versions starting from 2.3.0 before 2.3.7, all versions starting from 2.4.0 before 2.4.4, all versions starting from 2.5.0 before 2.5.11, all versions starting from 2.6.0 before 2.6.10",
"cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-79",
"CWE-937"
],
"date": "2020-12-02",
"description": "TYPO3 Fluid is vulnerable to Cross-Site Scripting. Three XSS vulnerabilities have been detected in Fluid - `TagBasedViewHelper` allowed XSS through maliciously crafted additionalAttributes arrays by creating keys with attribute-closing quotes followed by HTML. When rendering such attributes, `TagBuilder` would not escape the keys. `ViewHelpers` which used the `CompileWithContentArgumentAndRenderStatic` trait, and which declared escapeOutput = false, would receive the content argument in unescaped format. Subclasses of `AbstractConditionViewHelper` would receive the then and else arguments in unescaped format. More details are available in the linked advisory.",
"fixed_versions": [
"2.0.8",
"2.1.7",
"2.2.4",
"2.3.7",
"2.4.4",
"2.5.11",
"2.6.10"
],
"identifier": "CVE-2020-26216",
"identifiers": [
"CVE-2020-26216",
"GHSA-hpjm-3ww5-6cpf"
],
"not_impacted": "All versions starting from 2.0.8 before 2.1.0, all versions starting from 2.1.7 before 2.2.0, all versions starting from 2.2.4 before 2.3.0, all versions starting from 2.3.7 before 2.4.0, all versions starting from 2.4.4 before 2.5.0, all versions starting from 2.5.11 before 2.6.0, all versions starting from 2.6.10",
"package_slug": "packagist/typo3fluid/fluid",
"pubdate": "2020-11-17",
"solution": "Upgrade to versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11, 2.6.10 or above.",
"title": "Cross-site Scripting",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-26216",
"https://typo3.org/security/advisory/typo3-core-sa-2020-009"
],
"uuid": "34db5413-eb63-4b8e-b12a-3badb7f0d79d"
}
]
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
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"impactScore": 2.9,
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"severity": "MEDIUM",
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"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
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"lastModifiedDate": "2020-12-02T14:03Z",
"publishedDate": "2020-11-17T21:15Z"
}
}
}
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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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