{"id":"CVE-2026-40321","sourceIdentifier":"security-advisories@github.com","published":"2026-04-17T22:16:32.653","lastModified":"2026-06-17T10:45:01.550","vulnStatus":"Analyzed","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."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"dnnsoftware","product":"Dnn.Platform","versions":[{"version":"< 10.2.2","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","baseScore":8.0,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.3,"impactScore":6.0}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-04-21T00:00:00+00:00","id":"CVE-2026-40321","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-87"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*","versionEndExcluding":"10.2.2","matchCriteriaId":"F61D2C37-099C-42FD-8187-C72542905CC8"}]}]}],"references":[{"url":"https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-ffq7-898w-9jc4","source":"security-advisories@github.com","tags":["Vendor Advisory"]}]}