CVE-2025-52485 PUBLISHED

DNN.PLATFORM Allows Stored Cross-Site Scripting (XSS) in Activity Feed

Assigner: GitHub_M
Reserved: 17.06.2025 Published: 21.06.2025 Updated: 21.06.2025

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request to inject scripts in the Activity Feed Attachments endpoint which will then render in the feed. This issue has been patched in version 10.0.1.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS Score: 5.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	dnnsoftware
Product	Dnn.Platform
Versions	Version >= 6.0.0, < 10.0.1 is affected

References

https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-wwc9-wmm3-2pmf

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE