GeoServer is an open-source software server written in Java that provides the ability to view, edit, and share geospatial data. It is designed to be a flexible, efficient solution for distributing geospatial data from a variety of sources such as Geographic Information System (GIS) databases, web-based data, and personal datasets. In the GeoServer versions before 2.23.6, greater than or equal to 2.24.0, before 2.24.4 and greater than equal to 2.25.0, and before 2.25.1, multiple OGC request parameters allow remote code execution (RCE) by unauthenticated users through specially crafted input against a default GeoServer installation due to unsafely evaluating property names as XPath expressions. An attacker can abuse this by sending a POST request with a malicious xpath expression to execute arbitrary commands as root on the system.
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