Unrestricted File Upload Vulnerability in Kentico Xperience
CVE-2019-25229

8.7HIGH

Key Information:

Vendor

Kentico

Status
Xperience
Vendor
CVE Published:
18 December 2025

What is CVE-2019-25229?

The vulnerability found in Kentico Xperience involves an unrestricted file upload mechanism that allows authenticated users with 'Read data' permissions to upload arbitrary file types. This occurs through MVC form file uploader components, where attackers can exploit file name manipulation to upload potentially malicious files. The resulting unauthorized file uploads pose significant risks to the integrity and security of the system.

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Deploy the Patch

Affected Version(s)

Xperience 0 <= 12.0.29

References

https://devnet.kentico.com/download/hotfixes
vendor-advisorypatch
https://www.vulncheck.com/advisories/kentico-xperience-mv...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kentico Security Team
JSON
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