Exposure of Sensitive System Information to an Unauthorized Control Sphere Affecting kentico.xperience.aspnet.mvc5.libraries package, versions [,13.0.160)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DOTNET-KENTICOXPERIENCEASPNETMVC5LIBRARIES-14545465
- published21 Dec 2025
- disclosed18 Dec 2025
- creditBank of Ayudhya
Introduced: 18 Dec 2025
NewCVE-2024-58320 (opens in a new tab)How to fix?
Upgrade Kentico.Xperience.AspNet.Mvc5.Libraries to version 13.0.160 or higher.
Overview
Kentico.Xperience.AspNet.Mvc5.Libraries is an assemblies required to use the Kentico Xperience API in class libraries developed for ASP.NET MVC 5 applications. Does not include content items or other modifications intended for the MVC web application itself.
Affected versions of this package are vulnerable to Exposure of Sensitive System Information to an Unauthorized Control Sphere through the AuthenticationIframe action in the KenticoVirtualContextAuthenticationController class. An attacker can obtain the list of allowed administration interface hostnames by accessing the publicly available authentication iframe endpoint, which renders the AllowedHostnames property in client-side JavaScript.