What is CVE-2025-48378?

CVE-2025-48378 is a medium-severity vulnerability in Dnnsoftware Dnn.platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-05-23.

How severe is CVE-2025-48378?

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

XSS in Dnnsoftware Dnn.platform

CVE-2025-48378

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 9.13.9, uploaded SVG files could contain scripts and if rendered inline those scripts could run allowing XSS attacks. Version 9.13.9 fixes the issue.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.8th 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 < 9.13.9
Dnnsoftware Dotnetnuke

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2025-48378?: CVE-2025-48378 is a medium-severity vulnerability in Dnnsoftware Dnn.platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-05-23.
How severe is CVE-2025-48378?: Medium severity. CVSS v3 base score is 5.4 out of 10.