VulnerabilityAnalyzed

CVE-2025-64095

Prior to 10.1.1, the default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files.

CRITICAL 9.8EPSS 44.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 44.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

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 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 44.66% probability · 99th percentile
CISA KEV: Not listed
Weakness: CWE-434
Affected: dnnsoftware/dotnetnuke
Source: security-advisories@github.com

References

https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-3m8r-w7xg-jqvwVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.