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Critical 9.8Published Oct 28, 2025

CVE-2025-64095DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem.

Updated under an hour ago ()

Does this affect you?

It affects dnnsoftware dotnetnuke. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-434
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Oct 18, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
dnnsoftware dotnetnuke
dnnsoftware:dotnetnuke
before 10.1.1
NVD

References

  • vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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