DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
97Vexday Risk Score
Patch now. It exploitation observed by VulnCheck and has a working public exploit.
ssvc Actcvss 10epss 45%
from disclosure to weapon3 days
Published on NVDOct 28
1st PoC+3d
VulnCheck+30d
exploitation probability
45%top 1% of all CVEs
observed exploitation
yesVulnCheck
3 public exploit(s)
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/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products
dnnsoftware · Dnn.Platformpublic PoCs found — 3
githubgithub.com/0xr2r/CVE-2025-64095★ 0vulncheckvulncheck.com/xdb/2b30ff127b74unverifiedvulncheckvulncheck.com/xdb/60f27930dc42unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.