CVE-2025-21621

GeoServer Reflected Cross-Site Scripting (XSS) vulnerability in WMS GetFeatureInfo HTML format

CVSS 6.1 MEDIUMEPSS 0.3%CWE-79

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

geoserver · geoserver

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References

https://github.com/geoserver/geoserver/commit/dc9ff1c726dd73c884437a123b4ad72b19383c7d https://github.com/geoserver/geoserver/pull/7406 https://github.com/geoserver/geoserver/security/advisories/GHSA-w66h-j855-qr72 https://osgeo-org.atlassian.net/browse/GEOS-11297