{"id":"CVE-2026-40321","aliases":["EUVD-2026-24061","GHSA-ffq7-898w-9jc4"],"status":"published","title":"DotNetNuke.Core has stored cross-site-scripting (XSS) via SVG upload","description":"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.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.06412,"percentile":0.93775,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-87"],"published":"2026-04-10T20:42:48Z","modified":"2026-10-28T02:30:29Z","fixes":[{"ecosystem":"NuGet","package":"DotNetNuke.Core","fixed_in":["10.2.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"DotNetNuke.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.2.2"}]}]},{"source":"osv","ecosystem":"NuGet","package":"DotNetNuke.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.2.2"}]}],"versions":["10.0.0","10.0.1","10.1.0","10.1.1","10.1.2","10.2.0","10.2.1","6.0.0","7.0.0","7.0.6.121","7.1.0","7.1.2","7.2.0.613","7.3.0.499","7.3.1.20","7.4.0.353","7.4.1.280","7.4.2.216","8.0.0.809","8.0.1.239","8.0.2.4","8.0.3.5","8.0.4.226","9.0.0.1002","9.0.1.142","9.1.0.367","9.1.1.129","9.10.0","9.10.1","9.10.2","9.11.0","9.11.1","9.11.2","9.12.0","9.13.0","9.13.0-ci0000","9.13.1","9.13.2","9.13.3","9.13.4","9.13.5","9.13.5-ci0062","9.13.6","9.13.7","9.13.7-ci0064","9.13.8","9.13.9","9.2.0.366","9.2.1.533","9.3.0","9.3.1","9.3.2","9.4.0","9.4.1","9.4.2","9.4.3","9.4.4","9.5.0","9.6.1","9.6.2","9.7.0","9.7.1","9.7.2","9.8.0","9.9.0","9.9.1"]}],"products":[{"vendor":"dnnsoftware","product":"dnn.platform"},{"vendor":"dnnsoftware","product":"dotnetnuke"}],"references":[{"url":"https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-ffq7-898w-9jc4","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40321","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-ffq7-898w-9jc4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40321.json","tags":["advisory"]},{"url":"https://github.com/dnnsoftware/Dnn.Platform","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-40321","title":"DotNetNuke.Core has stored cross-site-scripting (XSS) via SVG upload","description":"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.","status":"published","published":"2026-04-17T21:10:33.192Z","modified":"2026-04-22T03:55:44.141Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-87"],"updated_at":"2026-11-02T13:43:22.599321Z"}],"euvd":[{"id":"EUVD-2026-24061","description":"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.","status":"published","published":"2026-04-17T21:10:33Z","modified":"2026-04-22T03:55:44Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:24:21.101387Z"}],"ghsa":[{"id":"GHSA-ffq7-898w-9jc4","title":"DotNetNuke.Core has stored cross-site-scripting (XSS) via SVG upload","description":"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.","status":"published","published":"2026-04-10T20:42:48Z","modified":"2026-04-24T20:50:41Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-87"],"updated_at":"2026-11-02T14:39:57.650091Z"}],"nvd":[{"id":"CVE-2026-40321","description":"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.","status":"published","published":"2026-04-17T22:16:32.653Z","modified":"2026-10-26T22:10:00.163Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-87"],"updated_at":"2026-11-02T14:12:15.120927Z"}],"osv":[{"id":"CVE-2026-40321","title":"DotNetNuke.Core has stored cross-site-scripting (XSS) via SVG upload","description":"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.","status":"published","published":"2026-04-17T21:10:33.192Z","modified":"2026-10-28T02:30:29.0381006Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-87"],"updated_at":"2026-11-02T15:45:03.424067Z"},{"id":"GHSA-ffq7-898w-9jc4","title":"DotNetNuke.Core has stored cross-site-scripting (XSS) via SVG upload","description":"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.","status":"published","published":"2026-04-10T20:42:48Z","modified":"2026-05-05T16:06:30.053743Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-87"],"updated_at":"2026-11-02T15:46:46.39441Z"}]}}