CVE-2025-21621 | THREATINT

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.

PUBLISHED Reserved 2024-12-29 | Published 2025-11-25 | Updated 2025-11-26 | Assigner GitHub_M

MEDIUM: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

< 2.25.0

affected

References

github.com/...server/security/advisories/GHSA-w66h-j855-qr72

github.com/geoserver/geoserver/pull/7406

github.com/...ommit/dc9ff1c726dd73c884437a123b4ad72b19383c7d

osgeo-org.atlassian.net/browse/GEOS-11297

cve.org (CVE-2025-21621)

nvd.nist.gov (CVE-2025-21621)

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