Arbitrary file upload in DotNetNuke - CVE-2025-62802
Published: October 29, 2025
Vulnerability identifier: #VU117786
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-62802
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload within the out-of-box experience. A remote attacker can upload a malicious file and execute it on the server.
Affected software
DotNetNuke
How to mitigate CVE-2025-62802
Install updates from vendor's website.
DotNetNuke - update to 10.1.1