{"id":"GHSA-3m8r-w7xg-jqvw","summary":"DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite","details":"### 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.","aliases":["CVE-2025-64095"],"modified":"2025-10-29T22:15:00.890513Z","published":"2025-10-29T21:48:52Z","database_specific":{"nvd_published_at":"2025-10-28T22:15:38Z","cwe_ids":["CWE-434"],"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2025-10-29T21:48:52Z"},"references":[{"type":"WEB","url":"https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-3m8r-w7xg-jqvw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64095"},{"type":"PACKAGE","url":"https://github.com/dnnsoftware/Dnn.Platform"}],"affected":[{"package":{"name":"DNN.PLATFORM","ecosystem":"NuGet","purl":"pkg:nuget/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"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/10/GHSA-3m8r-w7xg-jqvw/GHSA-3m8r-w7xg-jqvw.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"}]}