What’s Vulnerable › Vulnerabilities
CVE-2025-59539: DNN affected by Stored Cross-Site Scripting (XSS) in Profile Biography field
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-09-23 · updated 2026-10-11
- Weakness: CWE-79
Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, when embedding information in the Biography field, even if that field is not rich-text, users could inject javascript code that would run in the context of the website and to any other user that can view the profile including administrators and/or superusers. This issue has been patched in version 10.1.0.
Affected products
- DotNetNuke CMS Fixed in 9.1.1: before 10.1.0; 10.1.0-rc1 — fixed in 10.1.0
How to fix
Upgrade to a fixed version: DotNetNuke CMS Fixed in 9.1.1 10.1.0. Check the vendor advisory for mitigations.
References
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