The vulnerability was disclosed by Obrela Labs penetration tester Anastasios Stasinopoulos on March 8.
Kentico CMS is an ASP.NET content management system (CMS) for enterprise websites, e-commerce, and both intranet and extranet domains.
The CMS comes with features (PDF) including built-in modules, text editing, blogs, and polls, and is used on over 4,000 websites in 83 countries.