{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91999", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-09-15T11:11:29.968Z", "datePublished": "2026-09-23T09:23:22.037Z", "dateUpdated": "2026-09-23T09:23:22.037Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-09-23T09:23:22.037Z"}, "title": "Apache Sling XSS: Improper escaping in the XSS Webconsole plugin", "problemTypes": [{"descriptions": [{"description": "CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')", "lang": "en", "cweId": "CWE-79", "type": "CWE"}]}], "source": {"defect": ["SLING-13335"], "discovery": "EXTERNAL"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Sling XSS", "versions": [{"status": "affected", "version": "0", "lessThan": "2.4.12", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"value": "Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling XSS.\n\n\n\nThis issue affects Apache Sling XSS: before 2.4.12.\n\n\n\nUsers are recommended to upgrade to version 2.4.12, which fixes the issue.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling XSS.</p><p>This issue affects Apache Sling XSS: before 2.4.12.</p><p>Users are recommended to upgrade to version 2.4.12, which fixes the issue.</p>"}]}], "references": [{"url": "https://lists.apache.org/thread/xpcsdkr80ow9p13f7hp3ykrhzky9d4t4", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "low"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "The Apache Software Foundation", "type": "finder"}, {"lang": "en", "value": "Claude Code", "type": "tool"}], "x_generator": {"engine": "Vulnogram 1.0.3"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Apache Sling XSS", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "2.4.12", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling XSS.\n\n\n\nThis issue affects Apache Sling XSS: before 2.4.12.\n\n\n\nUsers are recommended to upgrade to version 2.4.12, which fixes the issue."}], "id": "CVE-2026-91999", "lastModified": "2026-09-23T10:17:08.200", "metrics": {}, "published": "2026-09-23T10:17:08.200", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/xpcsdkr80ow9p13f7hp3ykrhzky9d4t4"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@apache.org", "type": "Primary"}]}

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