Kentico Xperience up to 12.0.29 unrestricted upload

Summaryinfo

A vulnerability described as critical has been identified in Kentico Xperience up to 12.0.29. The impacted element is an unknown function. Such manipulation leads to unrestricted upload. This vulnerability is traded as CVE-2019-25229. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Kentico Xperience up to 12.0.29. It has been rated as critical. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An unrestricted file upload vulnerability in Kentico Xperience allows authenticated users with 'Read data' permissions to upload arbitrary file types via MVC form file uploader components. Attackers can manipulate file names and upload potentially malicious files to the system, enabling unauthorized file uploads.

The weakness was shared with Kentico Security Team. The advisory is available at devnet.kentico.com. This vulnerability is handled as CVE-2019-25229 since 12/17/2025. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/18/2025). This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Kentico

Name

• Xperience

Version

• 12.0.0
• 12.0.1
• 12.0.2
• 12.0.3
• 12.0.4
• 12.0.5
• 12.0.6
• 12.0.7
• 12.0.8
• 12.0.9
• 12.0.10
• 12.0.11
• 12.0.12
• 12.0.13
• 12.0.14
• 12.0.15
• 12.0.16
• 12.0.17
• 12.0.18
• 12.0.19
• 12.0.20
• 12.0.21
• 12.0.22
• 12.0.23
• 12.0.24
• 12.0.25
• 12.0.26
• 12.0.27
• 12.0.28
• 12.0.29

CPE 2.3info

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CPE 2.2info

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