Kentico before 12.0.50 allows file uploads in which the Content-Type header is inconsistent with the file extension, leading to XSS.
- http://packetstormsecurity.com/files/159525/Kentico-CMS-9.0-12.0.49-Cross-Site-Scripting.html
- https://devnet.kentico.com/download/hotfixes
- https://github.com/ARPSyndicate/cvemon