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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-21621
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-11-25 22:15:47 UTC
Updated2026-10-18 20:10:00 UTC
DescriptionGeoServer 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.

Risk And Classification

Primary CVSS: v3.1 6.1 MEDIUM from [email protected]

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

EPSS: 0.002960000 probability, percentile 0.208240000 (date 2026-10-18)

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1CNADECLARED6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Geoserver Geoserver All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Geoserver Geoserver affected < 2.25.0 Not specified

References

ReferenceSourceLinkTags
github.com/geoserver/geoserver/pull/7406 [email protected] github.com Issue Tracking
github.com/geoserver/geoserver/security/advisories/GHSA-w66h-j855-qr72 [email protected] github.com Vendor Advisory
osgeo-org.atlassian.net/browse/GEOS-11297 [email protected] osgeo-org.atlassian.net Issue Tracking
github.com/geoserver/geoserver/commit/dc9ff1c726dd73c884437a123b4ad72b19... [email protected] github.com Patch
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