GSD-2023-29202
Vulnerability from gsd - Updated: 2023-12-13 01:20Details
XWiki Commons are technical libraries common to several other top level XWiki projects. The RSS macro that is bundled in XWiki included the content of the feed items without any cleaning in the HTML output when the parameter `content` was set to `true`. This allowed arbitrary HTML and in particular also JavaScript injection and thus cross-site scripting (XSS) by specifying an RSS feed with malicious content. With the interaction of a user with programming rights, this could be used to execute arbitrary actions in the wiki, including privilege escalation, remote code execution, information disclosure, modifying or deleting content and sabotaging the wiki. The issue has been patched in XWiki 14.6 RC1, the content of the feed is now properly cleaned before being displayed. As a workaround, if the RSS macro isn't used in the wiki, the macro can be uninstalled by deleting `WEB-INF/lib/xwiki-platform-rendering-macro-rss-XX.jar`, where `XX` is XWiki's version, in the web application's directory.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-29202",
"id": "GSD-2023-29202"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
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"details": "XWiki Commons are technical libraries common to several other top level XWiki projects. The RSS macro that is bundled in XWiki included the content of the feed items without any cleaning in the HTML output when the parameter `content` was set to `true`. This allowed arbitrary HTML and in particular also JavaScript injection and thus cross-site scripting (XSS) by specifying an RSS feed with malicious content. With the interaction of a user with programming rights, this could be used to execute arbitrary actions in the wiki, including privilege escalation, remote code execution, information disclosure, modifying or deleting content and sabotaging the wiki. The issue has been patched in XWiki 14.6 RC1, the content of the feed is now properly cleaned before being displayed. As a workaround, if the RSS macro isn\u0027t used in the wiki, the macro can be uninstalled by deleting `WEB-INF/lib/xwiki-platform-rendering-macro-rss-XX.jar`, where `XX` is XWiki\u0027s version, in the web application\u0027s directory.",
"id": "GSD-2023-29202",
"modified": "2023-12-13T01:20:56.655603Z",
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"value": "XWiki Commons are technical libraries common to several other top level XWiki projects. The RSS macro that is bundled in XWiki included the content of the feed items without any cleaning in the HTML output when the parameter `content` was set to `true`. This allowed arbitrary HTML and in particular also JavaScript injection and thus cross-site scripting (XSS) by specifying an RSS feed with malicious content. With the interaction of a user with programming rights, this could be used to execute arbitrary actions in the wiki, including privilege escalation, remote code execution, information disclosure, modifying or deleting content and sabotaging the wiki. The issue has been patched in XWiki 14.6 RC1, the content of the feed is now properly cleaned before being displayed. As a workaround, if the RSS macro isn\u0027t used in the wiki, the macro can be uninstalled by deleting `WEB-INF/lib/xwiki-platform-rendering-macro-rss-XX.jar`, where `XX` is XWiki\u0027s version, in the web application\u0027s directory."
}
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},
"impact": {
"cvss": [
{
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
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"lang": "eng",
"value": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
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"name": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-c885-89fw-55qr",
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"url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-c885-89fw-55qr"
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{
"name": "https://github.com/xwiki/xwiki-platform/commit/5c7ebe47c2897e92d8f04fe2e15027e84dc3ec03",
"refsource": "MISC",
"url": "https://github.com/xwiki/xwiki-platform/commit/5c7ebe47c2897e92d8f04fe2e15027e84dc3ec03"
},
{
"name": "https://jira.xwiki.org/browse/XWIKI-19671",
"refsource": "MISC",
"url": "https://jira.xwiki.org/browse/XWIKI-19671"
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"source": {
"advisory": "GHSA-c885-89fw-55qr",
"discovery": "UNKNOWN"
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"cwe_ids": [
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"CWE-937"
],
"date": "2023-04-12",
"description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in org.xwiki.platform:xwiki-core-rendering-macro-rss.",
"fixed_versions": [],
"identifier": "CVE-2023-29202",
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"not_impacted": "",
"package_slug": "maven/org.xwiki.platform/xwiki-core-rendering-macro-rss",
"pubdate": "2023-04-12",
"solution": "Unfortunately, there is no solution available yet.",
"title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"urls": [
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"uuid": "5f0f183c-e5ff-451f-aff9-8933954beef2"
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"CWE-937"
],
"date": "2023-04-12",
"description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in org.xwiki.platform:xwiki-platform-rendering-macro-rss.",
"fixed_versions": [
"14.6-rc-1"
],
"identifier": "CVE-2023-29202",
"identifiers": [
"GHSA-c885-89fw-55qr",
"CVE-2023-29202"
],
"not_impacted": "All versions starting from 14.6-rc-1",
"package_slug": "maven/org.xwiki.platform/xwiki-platform-rendering-macro-rss",
"pubdate": "2023-04-12",
"solution": "Upgrade to version 14.6-rc-1 or above. *Note*: 14.6-rc-1 may be an unstable version. Use caution.",
"title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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"https://jira.xwiki.org/browse/XWIKI-19671",
"https://github.com/advisories/GHSA-c885-89fw-55qr"
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"uuid": "caf86df1-3300-4d4a-b5dc-fb11bf8fb911"
}
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"value": "XWiki Commons are technical libraries common to several other top level XWiki projects. The RSS macro that is bundled in XWiki included the content of the feed items without any cleaning in the HTML output when the parameter `content` was set to `true`. This allowed arbitrary HTML and in particular also JavaScript injection and thus cross-site scripting (XSS) by specifying an RSS feed with malicious content. With the interaction of a user with programming rights, this could be used to execute arbitrary actions in the wiki, including privilege escalation, remote code execution, information disclosure, modifying or deleting content and sabotaging the wiki. The issue has been patched in XWiki 14.6 RC1, the content of the feed is now properly cleaned before being displayed. As a workaround, if the RSS macro isn\u0027t used in the wiki, the macro can be uninstalled by deleting `WEB-INF/lib/xwiki-platform-rendering-macro-rss-XX.jar`, where `XX` is XWiki\u0027s version, in the web application\u0027s directory."
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"impact": {
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.0,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
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"exploitabilityScore": 2.3,
"impactScore": 6.0
}
},
"lastModifiedDate": "2023-04-25T18:55Z",
"publishedDate": "2023-04-15T15:15Z"
}
}
}
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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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