{"id":"CVE-2025-59547","title":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem","summary":"DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, the CKEditor file upload endpoint has insufficient sanitization for filenames allowing probing network…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-176"],"vendor":"dnnsoftware","product":"dotnetnuke","affected":["dotnetnuke < 10.1.0"],"patched":["dotnetnuke 10.1.0"],"published":"2025-09-23","updated":"2026-10-11","sourceUpdated":"2026-10-11T20:10:00.200","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-59547","references":[{"url":"https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-cgqj-mw4m-v7hp","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00261,"epssPercentile":0.16513,"ingestedAt":"2026-10-12T14:50:33.983Z","slug":"CVE-2025-59547","body":"## Overview\n\nDNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, the CKEditor file upload endpoint has insufficient sanitization for filenames allowing probing network endpoints. A specially crafted request can be made to upload a file with Unicode characters, which would be translated into a path that could expose resources in the internal network of the hosted site. This issue has been patched in version 10.1.0.\n\n## Affected\n\n- `dotnetnuke < 10.1.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `dotnetnuke 10.1.0`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}