{"id":"CVE-2025-52485","aliases":["EUVD-2025-18803","GHSA-wwc9-wmm3-2pmf"],"status":"published","title":"DNN.PLATFORM Allows Stored Cross-Site Scripting (XSS) in Activity Feed","description":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request to inject scripts in the Activity Feed Attachments endpoint which will then render in the feed. This issue has been patched in version 10.0.1.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00217,"percentile":0.12331,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2025-06-20T14:56:59Z","modified":"2026-10-28T02:30:40Z","fixes":[{"ecosystem":"NuGet","package":"DNN.PLATFORM","fixed_in":["10.0.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"DNN.PLATFORM","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"10.0.1"}]}]},{"source":"osv","ecosystem":"NuGet","package":"DNN.PLATFORM","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"10.0.1"}]}],"versions":["7.2.0","7.3.0","7.4.0","8.0.0","9.1.0","9.2.0","9.4.0","9.9.0"]}],"products":[{"vendor":"dnnsoftware","product":"dnn.platform"},{"vendor":"dnnsoftware","product":"dotnetnuke"}],"references":[{"url":"https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-wwc9-wmm3-2pmf","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52485","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wwc9-wmm3-2pmf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/52xxx/CVE-2025-52485.json","tags":["advisory"]},{"url":"https://github.com/dnnsoftware/Dnn.Platform","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-52485","title":"DNN.PLATFORM Allows Stored Cross-Site Scripting (XSS) in Activity Feed","description":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request to inject scripts in the Activity Feed Attachments endpoint which will then render in the feed. This issue has been patched in version 10.0.1.","status":"published","published":"2025-06-21T02:40:38.257Z","modified":"2025-06-23T17:43:25.38Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:31.309974Z"}],"euvd":[{"id":"EUVD-2025-18803","description":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request to inject scripts in the Activity Feed Attachments endpoint which will then render in the feed. This issue has been patched in version 10.0.1.","status":"published","published":"2025-06-21T02:40:38Z","modified":"2025-06-23T17:43:25Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:32:17.832534Z"}],"ghsa":[{"id":"GHSA-wwc9-wmm3-2pmf","title":"DNN.PLATFORM Allows Stored Cross-Site Scripting (XSS) in Activity Feed","description":"DNN.PLATFORM allows a specially crafted request can inject scripts in the Activity Feed Attachments endpoint which will then render in the feed, resulting in a cross-site scripting attack. This vulnerability is fixed in 10.0.1.","status":"published","published":"2025-06-20T14:56:59Z","modified":"2025-09-15T20:07:26Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:58.107905Z"}],"nvd":[{"id":"CVE-2025-52485","description":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request to inject scripts in the Activity Feed Attachments endpoint which will then render in the feed. This issue has been patched in version 10.0.1.","status":"published","published":"2025-06-21T03:15:23.767Z","modified":"2026-06-17T09:36:34.9Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:14.091082Z"}],"osv":[{"id":"CVE-2025-52485","title":"DNN.PLATFORM Allows Stored Cross-Site Scripting (XSS) in Activity Feed","description":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request to inject scripts in the Activity Feed Attachments endpoint which will then render in the feed. This issue has been patched in version 10.0.1.","status":"published","published":"2025-06-21T02:40:38.257Z","modified":"2026-10-28T02:30:40.712204435Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:50.45326Z"},{"id":"GHSA-wwc9-wmm3-2pmf","title":"DNN.PLATFORM Allows Stored Cross-Site Scripting (XSS) in Activity Feed","description":"DNN.PLATFORM allows a specially crafted request can inject scripts in the Activity Feed Attachments endpoint which will then render in the feed, resulting in a cross-site scripting attack. This vulnerability is fixed in 10.0.1.","status":"published","published":"2025-06-20T14:56:59Z","modified":"2025-09-15T20:44:40.122819Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:59.131095Z"}]}}