gsd-2021-32735
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Kirby is a content management system. In Kirby CMS versions 3.5.5 and 3.5.6, the Panel's `ListItem` component (used in the pages and files section for example) displayed HTML in page titles as it is. This could be used for cross-site scripting (XSS) attacks. Malicious authenticated Panel users can escalate their privileges if they get access to the Panel session of an admin user. Visitors without Panel access can use the attack vector if the site allows changing site data from a frontend form. Kirby 3.5.7 patches the vulnerability. As a partial workaround, site administrators can protect against attacks from visitors without Panel access by validating or sanitizing provided data from the frontend form.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-32735",
"description": "Kirby is a content management system. In Kirby CMS versions 3.5.5 and 3.5.6, the Panel\u0027s `ListItem` component (used in the pages and files section for example) displayed HTML in page titles as it is. This could be used for cross-site scripting (XSS) attacks. Malicious authenticated Panel users can escalate their privileges if they get access to the Panel session of an admin user. Visitors without Panel access can use the attack vector if the site allows changing site data from a frontend form. Kirby 3.5.7 patches the vulnerability. As a partial workaround, site administrators can protect against attacks from visitors without Panel access by validating or sanitizing provided data from the frontend form.",
"id": "GSD-2021-32735"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-32735"
],
"details": "Kirby is a content management system. In Kirby CMS versions 3.5.5 and 3.5.6, the Panel\u0027s `ListItem` component (used in the pages and files section for example) displayed HTML in page titles as it is. This could be used for cross-site scripting (XSS) attacks. Malicious authenticated Panel users can escalate their privileges if they get access to the Panel session of an admin user. Visitors without Panel access can use the attack vector if the site allows changing site data from a frontend form. Kirby 3.5.7 patches the vulnerability. As a partial workaround, site administrators can protect against attacks from visitors without Panel access by validating or sanitizing provided data from the frontend form.",
"id": "GSD-2021-32735",
"modified": "2023-12-13T01:23:09.378831Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2021-32735",
"STATE": "PUBLIC",
"TITLE": "Cross-site scripting (XSS) from field and configuration text displayed in the Panel"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "kirby",
"version": {
"version_data": [
{
"version_value": "\u003c= 3.5.5, \u003c= 3.5.6"
}
]
}
}
]
},
"vendor_name": "getkirby"
}
]
}
},
"data_format": "MITRE",
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"description": {
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"value": "Kirby is a content management system. In Kirby CMS versions 3.5.5 and 3.5.6, the Panel\u0027s `ListItem` component (used in the pages and files section for example) displayed HTML in page titles as it is. This could be used for cross-site scripting (XSS) attacks. Malicious authenticated Panel users can escalate their privileges if they get access to the Panel session of an admin user. Visitors without Panel access can use the attack vector if the site allows changing site data from a frontend form. Kirby 3.5.7 patches the vulnerability. As a partial workaround, site administrators can protect against attacks from visitors without Panel access by validating or sanitizing provided data from the frontend form."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)"
}
]
}
]
},
"references": {
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{
"name": "https://github.com/getkirby/kirby/security/advisories/GHSA-2f2w-349x-vrqm",
"refsource": "CONFIRM",
"url": "https://github.com/getkirby/kirby/security/advisories/GHSA-2f2w-349x-vrqm"
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{
"name": "https://github.com/getkirby/kirby/releases/tag/3.5.7",
"refsource": "MISC",
"url": "https://github.com/getkirby/kirby/releases/tag/3.5.7"
}
]
},
"source": {
"advisory": "GHSA-2f2w-349x-vrqm",
"discovery": "UNKNOWN"
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c=3.5.6",
"affected_versions": "All versions up to 3.5.6",
"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-79",
"CWE-937"
],
"date": "2021-10-21",
"description": "Kirby is a content management system. In Kirby CMS versions 3.5.5 and 3.5.6, the Panel\u0027s `ListItem` component (used in the pages and files section for example) displayed HTML in page titles as it is. This could be used for cross-site scripting (XSS) attacks. Malicious authenticated Panel users can escalate their privileges if they get access to the Panel session of an admin user. Visitors without Panel access can use the attack vector if the site allows changing site data from a frontend form. Kirby 3.5.7 patches the vulnerability. As a partial workaround, site administrators can protect against attacks from visitors without Panel access by validating or sanitizing provided data from the frontend form.",
"fixed_versions": [
"3.5.7"
],
"identifier": "CVE-2021-32735",
"identifiers": [
"GHSA-2f2w-349x-vrqm",
"CVE-2021-32735"
],
"not_impacted": "All versions after 3.5.6",
"package_slug": "packagist/getkirby/cms",
"pubdate": "2021-07-02",
"solution": "Upgrade to version 3.5.7 or above.",
"title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"urls": [
"https://github.com/getkirby/kirby/security/advisories/GHSA-2f2w-349x-vrqm",
"https://nvd.nist.gov/vuln/detail/CVE-2021-32735",
"https://github.com/getkirby/kirby/releases/tag/3.5.7",
"https://github.com/advisories/GHSA-2f2w-349x-vrqm"
],
"uuid": "63fec127-9a98-461d-9293-8e16f58d188d"
}
]
},
"nvd.nist.gov": {
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"nodes": [
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"children": [],
"cpe_match": [
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"cpe23Uri": "cpe:2.3:a:getkirby:kirby:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.5.7",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2021-32735"
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"data_format": "MITRE",
"data_type": "CVE",
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"description": {
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"lang": "en",
"value": "Kirby is a content management system. In Kirby CMS versions 3.5.5 and 3.5.6, the Panel\u0027s `ListItem` component (used in the pages and files section for example) displayed HTML in page titles as it is. This could be used for cross-site scripting (XSS) attacks. Malicious authenticated Panel users can escalate their privileges if they get access to the Panel session of an admin user. Visitors without Panel access can use the attack vector if the site allows changing site data from a frontend form. Kirby 3.5.7 patches the vulnerability. As a partial workaround, site administrators can protect against attacks from visitors without Panel access by validating or sanitizing provided data from the frontend form."
}
]
},
"problemtype": {
"problemtype_data": [
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"description": [
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"value": "CWE-79"
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"name": "https://github.com/getkirby/kirby/security/advisories/GHSA-2f2w-349x-vrqm",
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"Third Party Advisory"
],
"url": "https://github.com/getkirby/kirby/security/advisories/GHSA-2f2w-349x-vrqm"
},
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"name": "https://github.com/getkirby/kirby/releases/tag/3.5.7",
"refsource": "MISC",
"tags": [
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"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/getkirby/kirby/releases/tag/3.5.7"
}
]
}
},
"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": "2021-07-06T18:21Z",
"publishedDate": "2021-07-02T15:15Z"
}
}
}
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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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