{"id":"CVE-2025-64095","aliases":["EUVD-2025-36564","GHSA-3m8r-w7xg-jqvw"],"status":"published","title":"DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite","description":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files. An unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads. This vulnerability is fixed in 10.1.1.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.4697,"percentile":0.9884,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-434"],"published":"2025-10-28T21:46:11Z","modified":"2026-10-28T02:31:13Z","exploits":[{"source":"nuclei","id":"CVE-2025-64095","title":"DNN - Unrestricted Arbitrary File Upload","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-64095.yaml"},{"source":"pocgithub","id":"0xr2r/CVE-2025-64095","title":"0xr2r/CVE-2025-64095","date":"2025-11-18","url":"https://github.com/0xr2r/CVE-2025-64095"},{"source":"pocgithub","id":"h4x0r-dz/CVE-2025-64095---DNN-Unauthenticated-arbitrary-file-upload","title":"h4x0r-dz/CVE-2025-64095---DNN-Unauthenticated-arbitrary-file-upload","date":"2025-10-31","url":"https://github.com/h4x0r-dz/CVE-2025-64095---DNN-Unauthenticated-arbitrary-file-upload"}],"fixes":[{"ecosystem":"NuGet","package":"DNN.PLATFORM","fixed_in":["10.1.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"DNN.PLATFORM","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.1"}]}]},{"source":"osv","ecosystem":"NuGet","package":"DNN.PLATFORM","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.1"}]}],"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-3m8r-w7xg-jqvw","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64095","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3m8r-w7xg-jqvw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64095.json","tags":["advisory"]},{"url":"https://github.com/dnnsoftware/Dnn.Platform","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-64095","title":"DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite","description":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files. An unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads. This vulnerability is fixed in 10.1.1.","status":"published","published":"2025-10-28T21:46:11.267Z","modified":"2025-10-29T14:51:08.317Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:32:46.750177Z"}],"euvd":[{"id":"EUVD-2025-36564","description":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files. An unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads. This vulnerability is fixed in 10.1.1.","status":"published","published":"2025-10-28T21:46:11Z","modified":"2025-10-29T14:51:08Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:49:36.236088Z"}],"ghsa":[{"id":"GHSA-3m8r-w7xg-jqvw","title":"DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite","description":"### Summary\nThe default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files.\n\n### Description\nAn unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads.","status":"published","published":"2025-10-29T21:48:52Z","modified":"2025-10-29T21:48:54Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:39:04.350802Z"}],"nvd":[{"id":"CVE-2025-64095","description":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files. An unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads. This vulnerability is fixed in 10.1.1.","status":"published","published":"2025-10-28T22:15:38.387Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:11:40.754193Z"}],"osv":[{"id":"CVE-2025-64095","title":"DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite","description":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files. An unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads. This vulnerability is fixed in 10.1.1.","status":"published","published":"2025-10-28T21:46:11.267Z","modified":"2026-10-28T02:31:13.676933221Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:44:51.851511Z"},{"id":"GHSA-3m8r-w7xg-jqvw","title":"DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite","description":"### Summary\nThe default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files.\n\n### Description\nAn unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads.","status":"published","published":"2025-10-29T21:48:52Z","modified":"2025-10-29T22:17:08.953314Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:46:35.747385Z"}]}}