CVE-2025-64095
criticalDNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem.
Vendor / product: Dnnsoftware — dotnetnuke
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
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2025-10-28 22:15
Modified: 2026-10-18 21:10
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
dnnsoftware / dotnetnuke <10.1.1
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-3m8r-w7xg-jqvw security-advisories@github.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗