{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40321", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-10T21:41:54.505Z", "datePublished": "2026-04-17T21:10:33.192Z", "dateUpdated": "2026-04-17T21:10:33.192Z"}, "containers": {"cna": {"title": "DotNetNuke.Core has stored cross-site-scripting (XSS) via SVG upload", "problemTypes": [{"descriptions": [{"cweId": "CWE-87", "lang": "en", "description": "CWE-87: Improper Neutralization of Alternate XSS Syntax", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-ffq7-898w-9jc4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-ffq7-898w-9jc4"}, {"name": "https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2"}], "affected": [{"vendor": "dnnsoftware", "product": "Dnn.Platform", "versions": [{"version": "< 10.2.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-17T21:10:33.192Z"}, "descriptions": [{"lang": "en", "value": "DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.2.2, a user could upload a specially crafted SVG file that could include scripts that can target both authenticated and unauthenticated DNN users. The impact is increased if the scripts are run by a power user. Version 10.2.2 patches the issue."}], "source": {"advisory": "GHSA-ffq7-898w-9jc4", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.2.2, a user could upload a specially crafted SVG file that could include scripts that can target both authenticated and unauthenticated DNN users. The impact is increased if the scripts are run by a power user. Version 10.2.2 patches the issue."}], "id": "CVE-2026-40321", "lastModified": "2026-04-17T22:16:32.653", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-04-17T22:16:32.653", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-ffq7-898w-9jc4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-87"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,10.2.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Dnn.Platform", "source": "cna", "vendor": "dnnsoftware"}, "product": "dnn_platform", "vendor": "dnnsoftware"}], "created": "2026-04-17T22:30:29.500401+00:00", "updated": "2026-04-17T22:30:29.500440+00:00", "vendors": ["dnnsoftware", "dnnsoftware$PRODUCT$dnn_platform"]}