CVE-2025-52485 MEDIUM

CVE-2025-52485: DNN.PLATFORM Allows Stored Cross-Site Scripting (XSS) in Activity Feed

Vendor Dnnsoftware
Product Dnn.Platform
Weakness CWE-79 · XSS
Published June 21, 2025
Last update June 23, 2025

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 21, 2025 CVE published
June 23, 2025 Record updated