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Vulnerability record · CVE-2025-21621 · published 25 November 2025

CVE-2025-21621: Geoserver cross-site scripting vulnerability

Geoserver · Geoserver

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.

6.1 CVSS 3.1 Medium EPSS 0.30% · top 80.0% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-58360GeoServer WMS GetMap XXE allows unauthenticated file read and SSRFGeoServer versions 2.26.0 through 2.26.2 and before 2.25.6 accept XML input at the /geoserver/wms GetMap endpoint without sufficiently restricting ex…KEVEPSS 61%analysed9.8CVE-2024-36401GeoServer OGC request parameter XPath eval injection enables unauthenticated RCEGeoServer versions before 2.22.6, 2.23.6, 2.24.4, and 2.25.2 unsafely evaluate OGC request parameters as XPath expressions via the GeoTools commons-j…KEVEPSS 100%analysed9.8CVE-2023-35042Geoserver vulnerabilityGeoServer 2, in some configurations, allows remote attackers to execute arbitrary code via java.lang.Runtime.getRuntime().exec in wps:LiteralData wit…EPSS 43%7.5CVE-2024-24749Geoserver path traversal vulnerabilityGeoServer is an open source server that allows users to share and edit geospatial data. Prior to versions 2.23.5 and 2.24.3, if GeoServer is deployed…EPSS 0.76%7.2CVE-2023-41877Geoserver path traversal vulnerabilityGeoServer is an open source software server written in Java that allows users to share and edit geospatial data. A path traversal vulnerability in ve…EPSS 0.84%7.2CVE-2023-51444Geoserver improper input validation vulnerabilityGeoServer is an open source software server written in Java that allows users to share and edit geospatial data. An arbitrary file upload vulnerabili…EPSS 1.9%6.0CVE-2024-23634Geoserver improper input validation vulnerabilityGeoServer is an open source software server written in Java that allows users to share and edit geospatial data. An arbitrary file renaming vulnerabi…EPSS 0.69%5.0CVE-2008-7227Geoserver memory buffer overflow vulnerabilityPartialBufferOutputStream2 in GeoServer before 1.6.1 and 1.7.0-beta1 attempts to flush buffer contents even when it is handling an "in memory buffer,…EPSS 0.93%

Source: NIST National Vulnerability Database (record CVE-2025-21621), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.