CVE-2025-64095

criticalpriority · attend · 65EPSS 0.470 · 99 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

47.0% (99th) EPSS

CVSS 9.8 · critical

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · security-advisories@github.comexploitability 3.9 · impact 6

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · OSV

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-434USCWE-434US

exploits (2)

Public proof-of-concept and weaponised exploit code.

0xr2r/CVE-2025-640950xr2r/CVE-2025-64095PoC · poc_in_github
h4x0r-dz/CVE-2025-64095---DNN-Unauthenticated-arbitrary-file-uploadPOC of DNN Insufficient Access Control - Image Upload allows for Site Content OverwritePoC · poc_in_github

affected products (5)

Products and version ranges known to be affected.

Open Source DNN <10.1.1all versionscert_bundDE
Open Source DNN< 10.1.1cert_bundDE
DNNSoftware Dnn.Platform≤ < 10.1.1enisa_euvdEU
dnnsoftware dotnetnuke< 10.1.1nvdUScpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*
NuGet DNN.PLATFORM< 10.1.1osvUSpkg:nuget/DNN.PLATFORM

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2535DNN: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2025-11-10csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in DNN ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
GHSA-3m8r-w7xg-jqvwDNN Insufficient Access Control - Image Upload allows for Site Content Overwrite2025-10-29ghsa · osvUS
### 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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2025-10-28modified 2026-10-18

references (5)

External citations — patches, advisories, analysis.

scry

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