CVE-2025-62802 DNN CKEditor Provider allows unauthenticated upload out-of-the-box
Unauthenticated users can upload files in DNN CMS out-of-the-box, potentially leading to code execution or further security breaches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-62802?
CVE-2025-62802 is a medium-severity vulnerability in Dnnsoftware Dotnetnuke, published on 28 Oct 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the out-of-box experience for HTML editing allows unauthenticated users to upload files. This opens a potential vector to other security issues and is not needed on most implementations. This vulnerability is fixed in 10.1.1.
Which versions are affected by CVE-2025-62802?
2 open source packages ship an affected version, including Dnn.Platform. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Dnn.Platform NuGet | All versions | 10.1.1 |
Dnn.Platform NuGet | All versions | 10.1.1 |
Products include Dnnsoftware Dotnetnuke.
How do I fix CVE-2025-62802?
Upgrade Dnn.Platform to 10.1.1 or later.
Is CVE-2025-62802 being exploited?
There is no known exploitation of CVE-2025-62802 in the wild and no public exploit code.
Other vulnerabilities in Dnnsoftware Dotnetnuke
- CVE-2017-9822 DotNetNuke (DNN) Remote Code Execution
- CVE-2018-15811 DotNetNuke (DNN) Inadequate Encryption Strength
- CVE-2018-18325 DotNetNuke (DNN) Inadequate Encryption Strength
- CVE-2025-64095 DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
- CVE-2006-3601 Privilege escalation in n/a
Sources
Also known as GHSA-2374-6cvw-qmx6.