Wolf CMS up to 0.8.3.1 FileManagerController create_file/save input validation

Summaryinfo

A vulnerability was found in Wolf CMS up to 0.8.3.1 and classified as problematic. This affects the function create_file/save of the component FileManagerController. Such manipulation leads to input validation. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is referenced as CVE-2026-67206. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Wolf CMS up to 0.8.3.1. It has been rated as problematic. Affected by this issue is the function create_file/save of the component FileManagerController. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Wolf CMS through 0.8.3.1 contains a remote code execution vulnerability in FileManagerController that allows authenticated attackers to create arbitrary PHP files by exploiting missing file extension validation in the create_file() and save() functions. Attackers with the file_manager_mkfile capability can write malicious PHP content into the web-accessible FILES_DIR directory and trigger execution by requesting the file over HTTP.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-67206 since 07/28/2026. The exploitation is known to be easy. The attack may be launched remotely. The exploitation requires an enhanced level of successful authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/30/2026).

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

Type

• Content Management System

Name

• Wolf CMS

Version

• 0.8.3.0
• 0.8.3.1

Support

• end of life

CPE 2.3info

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CPE 2.2info

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