XSS in Dnnsoftware Dnn.platform
CVE-2025-48377
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 9.13.9, a specially crafted URL may be constructed which can inject an XSS payload that is triggered by using some module actions. Version 9.13.9 fixes the issue.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (9.9th 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)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-48377?
- CVE-2025-48377 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-2025-48377?
- Medium severity. CVSS v3 base score is 5.4 out of 10.