Arbitrary File Upload Affecting kentico.xperience.libraries package, versions [,13.0.178)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.53% (67th percentile)

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  • Snyk IDSNYK-DOTNET-KENTICOXPERIENCELIBRARIES-10500464
  • published25 Jun 2025
  • disclosed6 Apr 2025
  • creditUnknown

Introduced: 6 Apr 2025

CVE-2025-32370  (opens in a new tab)
CWE-434  (opens in a new tab)

How to fix?

Upgrade Kentico.Xperience.Libraries to version 13.0.178 or higher.

Overview

Kentico.Xperience.Libraries is a package for libraries and applications that use Kentico Xperience API.

Affected versions of this package are vulnerable to Arbitrary File Upload due to the TryZipProviderSafe process. An attacker can create files with unauthorized extensions by exploiting the file upload functionality with specially crafted .zip files. This is only exploitable if the server allows unauthenticated file uploads.

CVSS Base Scores

version 4.0
version 3.1