Input validation error in DotNetNuke - CVE-2025-32371
Published: April 8, 2025 / Updated: August 28, 2026
Vulnerability identifier: #VU146082
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-32371
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to display unexpected external content.
The vulnerability exists due to improper content validation in ImageHandler when handling image requests. A remote attacker can cause the application to load external content to display unexpected external content.
User interaction is required for exploitation.
Affected software
DotNetNuke
How to mitigate CVE-2025-32371
Install security update from vendor's website.
DotNetNuke - update to 9.13.4