CVE-2025-21621

Published November 25th, 2025

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CVSS v3

6.1

MEDIUM

CVSS v2

N/A

Affected

PROJECT

Description

GeoServer is an open source server that allows users to share and edit geospatial data. Prior to version 2.25.0, a reflected cross-site scripting (XSS) vulnerability exists in the WMS GetFeatureInfo HTML output format that enables a remote attacker to execute arbitrary JavaScript code in a victim's browser through specially crafted SLD_BODY parameters. This issue has been patched in version 2.25.0.

geoserver/geoserver

Official GeoServer repository

GitHub

4.37K