What is CVE-2025-52485?

CVE-2025-52485 is a medium-severity vulnerability in Dnnsoftware Dnn.platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-06-21.

How severe is CVE-2025-52485?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Dnnsoftware Dnn.platform

CVE-2025-52485

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Dnnsoftware Dnn.platform — versions >= 6.0.0, < 10.0.1
Dnnsoftware Dotnetnuke

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2025-52485?: CVE-2025-52485 is a medium-severity vulnerability in Dnnsoftware Dnn.platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-06-21.
How severe is CVE-2025-52485?: Medium severity. CVSS v3 base score is 5.4 out of 10.