{"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":"2026-04-22T03:55:44.141Z"},"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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-21T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-40321"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-22T03:55:44.141Z"}}]}}