gsd-2020-26216
Vulnerability from gsd
Modified
2023-12-13 01:22
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.
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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"ID": "CVE-2020-26216",
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"TITLE": "Cross-Site Scripting in TYPO3 Fluid"
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}
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"impact": {
"cvss": {
"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",
"version": "3.1"
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"name": "https://github.com/TYPO3/Fluid/security/advisories/GHSA-hpjm-3ww5-6cpf",
"refsource": "CONFIRM",
"url": "https://github.com/TYPO3/Fluid/security/advisories/GHSA-hpjm-3ww5-6cpf"
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{
"name": "https://github.com/TYPO3/Fluid/commit/f20db4e74cf9803c6cffca2ed2f03e1b0b89d0dc",
"refsource": "MISC",
"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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"source": {
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"discovery": "UNKNOWN"
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"gitlab.com": {
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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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"cvssV2": {
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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",
"version": "2.0"
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"exploitabilityScore": 8.6,
"impactScore": 2.9,
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"obtainOtherPrivilege": false,
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"severity": "MEDIUM",
"userInteractionRequired": true
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"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",
"version": "3.1"
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"exploitabilityScore": 2.8,
"impactScore": 2.7
}
},
"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 seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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