#VU116021 Input validation error in DotNetNuke - CVE-2025-59535
Published: September 23, 2025
Vulnerability identifier: #VU116021
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-59535
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
DotNetNuke
DotNetNuke
Software vendor:
DNN
DNN
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can load arbitrary themes through query parameters and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.