Medium severity · published Oct 28, 2025
CVE-2025-64094
DNN vulnerable to stored cross-site-scripting (XSS) via SVG upload
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, sanitization of the content of uploaded SVG files was not covering all possible XSS scenarios. This vulnerability exists because of an incomplete fix for CVE-2025-48378. This vulnerability is fixed in 10.1.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DN
Dnn.Platform · dnnsoftware
< 10.1.1 · source: vendor
DO
Dotnetnuke · Dnnsoftware
before 10.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-64094
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-64094
Vendor Advisory
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-hmvq-8p83-cq52
More from Dnn.Platform
9.8
CVE-2025-64095
DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
9.0
CVE-2025-59545
DNN Vulnerable to Stored Cross-Site Scripting (XSS) in the Prompt module
8.0
CVE-2026-40321
DotNetNuke.Core has stored cross-site-scripting (XSS) via SVG upload
6.5
CVE-2026-40306
DNN has same HostGUID for all new installs
6.5
CVE-2025-59535
DotNetNuke.Core allows loading of unused themes on anonymous clients through query parameters