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CVE-2019-19493

Description

Kentico before 12.0.50 allows file uploads in which the Content-Type header is inconsistent with the file extension, leading to XSS.

POC

Reference

- http://packetstormsecurity.com/files/159525/Kentico-CMS-9.0-12.0.49-Cross-Site-Scripting.html

- https://devnet.kentico.com/download/hotfixes

Github

- https://github.com/ARPSyndicate/cvemon