xenocrat chyrp-lite prior 2026.01 Setting config.json.php path traversal

Summaryinfo

A vulnerability, which was classified as critical, was found in xenocrat chyrp-lite. This affects an unknown function of the file config.json.php of the component Setting Handler. Such manipulation leads to path traversal. This vulnerability is documented as CVE-2026-35174. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in xenocrat chyrp-lite. It has been rated as critical. Affected by this issue is some unknown functionality of the file config.json.php of the component Setting Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Chyrp Lite is an ultra-lightweight blogging engine. Prior to 2026.01, a path traversal vulnerability exists in the administration console that allows an administrator or a user with Change Settings permission to change the uploads path to any folder. This vulnerability allows the user to download any file on the server, including config.json.php with database credentials and overwrite critical system files, leading to remote code execution. This vulnerability is fixed in 2026.01.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-35174 since 04/01/2026. The exploitation is known to be easy. The attack may be launched remotely. The exploitation needs additional levels of successful authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

By approaching the search of inurl:config.json.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2026.01 eliminates this vulnerability.

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Vendor

• xenocrat

Name

• chyrp-lite

Website

• Product: https://github.com/xenocrat/chyrp-lite/

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