Information disclosure in Dnnsoftware Dnn.platform
CVE-2025-59535
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, arbitrary themes can be loaded through query parameters. If an installed theme had a vulnerability, even if it was not used on any page, this could be loaded on unsuspecting clients without knowledge of the site owner. This issue has been patched in version 10.1.0.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.003 (27.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Dnnsoftware Dnn.platform — versions < 10.1.0
- Dnnsoftware Dotnetnuke
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-59535?
- CVE-2025-59535 is a medium-severity vulnerability in Dnnsoftware Dnn.platform, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2025-09-22.
- How severe is CVE-2025-59535?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-59535 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.