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2023-04-24 12:24:31 +02:00
{
"id": "CVE-2023-29201",
"sourceIdentifier": "security-advisories@github.com",
"published": "2023-04-15T15:15:08.273",
"lastModified": "2023-04-17T13:12:43.170",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "XWiki Commons are technical libraries common to several other top level XWiki projects. The \"restricted\" mode of the HTML cleaner in XWiki, introduced in version 4.2-milestone-1, only escaped `<script>` and `<style>`-tags but neither attributes that can be used to inject scripts nor other dangerous HTML tags like `<iframe>`. As a consequence, any code relying on this \"restricted\" mode for security is vulnerable to JavaScript injection (\"cross-site scripting\"/XSS). When a privileged user with programming rights visits such a comment in XWiki, the malicious JavaScript code is executed in the context of the user session. This allows server-side code execution with programming rights, impacting the confidentiality, integrity and availability of the XWiki instance. This problem has been patched in XWiki 14.6 RC1 with the introduction of a filter with allowed HTML elements and attributes that is enabled in restricted mode. There are no known workarounds apart from upgrading to a version including the fix."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "security-advisories@github.com",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 9.0,
"baseSeverity": "CRITICAL"
},
"exploitabilityScore": 2.3,
"impactScore": 6.0
}
]
},
"weaknesses": [
{
"source": "security-advisories@github.com",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"references": [
{
"url": "https://github.com/xwiki/xwiki-commons/commit/4a185e0594d90cd4916d60aa60bb4333dc5623b2",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/xwiki/xwiki-commons/commit/b11eae9d82cb53f32962056b5faa73f3720c6182",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/xwiki/xwiki-commons/security/advisories/GHSA-m3jr-cvhj-f35j",
"source": "security-advisories@github.com"
},
{
"url": "https://jira.xwiki.org/browse/XCOMMONS-1680",
"source": "security-advisories@github.com"
},
{
"url": "https://jira.xwiki.org/browse/XCOMMONS-2426",
"source": "security-advisories@github.com"
},
{
"url": "https://jira.xwiki.org/browse/XWIKI-9118",
"source": "security-advisories@github.com"
}
]
}