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.
History

Wed, 29 Oct 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 29 Oct 2025 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Dnnsoftware
Dnnsoftware dnn Platform
Vendors & Products Dnnsoftware
Dnnsoftware dnn Platform

Tue, 28 Oct 2025 22:00:00 +0000

Type Values Removed Values Added
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.
Title DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-10-28T21:46:11.267Z

Updated: 2025-10-29T14:51:08.317Z

Reserved: 2025-10-27T15:26:14.126Z

Link: CVE-2025-64095

cve-icon Vulnrichment

Updated: 2025-10-29T14:51:02.005Z

cve-icon NVD

Status : Received

Published: 2025-10-28T22:15:38.387

Modified: 2025-10-28T22:15:38.387

Link: CVE-2025-64095

cve-icon Redhat

No data.