Information disclosure in DotNetNuke - CVE-2025-59547
Published: September 23, 2025
Vulnerability identifier: #VU116018
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-59547
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: DNN
Affected software:
DotNetNuke
DotNetNuke
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the CKEditor file upload endpoint has insufficient sanitization for filenames. A remote attacker can send a specially crafted request and gain unauthorized access to sensitive information on the system.
How to mitigate CVE-2025-59547
Install updates from vendor's website.