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CVE-2025-64095GHSA-3M8R-W7XG-JQVW

DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.1.1
2 proofs of concept on GitHub, 1 Nuclei template
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated
  4. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • dnnsoftware Dnn.Platform

    fixed in 10.1.1

  • DNN.PLATFORMNuGet

    fixed in 10.1.1

References 4

GitHub · dnnsoftware/Dnn.Platform

GitHub · projectdiscovery/nuclei-templates

GitHub · 0xr2r/CVE-2025-64095

GitHub · h4x0r-dz/CVE-2025-64095---DNN-Unauthenticated-arbitrary-file-upload