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CVE-2025-21621

6.1 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.1 · geoserverNVD modified 2026-10-18 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:geoserver:geoserver:*:*:*:*:*:*:*:*

References 4