ghsa-3m8r-w7xg-jqvw
Vulnerability from github
Published
2025-10-29 21:48
Modified
2025-10-29 21:48
Severity ?
Summary
DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
Details

Summary

The default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files.

Description

An unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads.

Show details on source website


{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "DNN.PLATFORM"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "10.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-64095"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-434"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-10-29T21:48:52Z",
    "nvd_published_at": "2025-10-28T22:15:38Z",
    "severity": "CRITICAL"
  },
  "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.",
  "id": "GHSA-3m8r-w7xg-jqvw",
  "modified": "2025-10-29T21:48:52Z",
  "published": "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite"
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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