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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| dnnsoftware | Dnn.Platform | < 10.1.1 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 2 repositories
-
h4x0r-dz/CVE-2025-64095---DNN-Unauthenticated-arbitrary-file-upload ★ 14 · Oct 31, 2025
POC of DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
-
0xr2r/CVE-2025-64095 ★ 0 · Nov 18, 2025
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- DNN - Unrestricted Arbitrary File Upload http/cves/2025/CVE-2025-64095.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| NuGet | DNN.PLATFORM | < 10.1.1 | 10.1.1 | GHSA-3m8r-w7xg-jqvw |
Advisories 1
- WID-SEC-2025-2535 DNN: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Nov 10, 2025