CVE-2025-21621

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 v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

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

History

18 Oct 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) GeoServer es un servidor de código abierto que permite a los usuarios compartir y editar datos geoespaciales. Versiones anteriores a la 2.25.0, existe una vulnerabilidad de cross-site scripting (XSS) reflejado en el formato de salida HTML de WMS GetFeatureInfo que permite a un atacante remoto ejecutar código JavaScript arbitrario en el navegador de una víctima a través de parámetros SLD_BODY especialmente diseñados. Este problema ha sido parcheado en la versión 2.25.0.

Information

Published : 2025-11-25 22:15

Updated : 2026-10-18 20:10

NVD link : CVE-2025-21621

Mitre link : CVE-2025-21621

CVE.ORG link : CVE-2025-21621

JSON object : View

Products Affected

geoserver

geoserver

CWE

CWE-79

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

{"id": "CVE-2025-21621", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-21621", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-11-26T16:02:58.299745Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "geoserver", "product": "geoserver", "versions": [{"status": "affected", "version": "< 2.25.0"}]}]}], "published": "2025-11-25T22:15:47.227", "references": [{"url": "https://github.com/geoserver/geoserver/commit/dc9ff1c726dd73c884437a123b4ad72b19383c7d", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/geoserver/geoserver/pull/7406", "tags": ["Issue Tracking"], "source": "security-advisories@github.com"}, {"url": "https://github.com/geoserver/geoserver/security/advisories/GHSA-w66h-j855-qr72", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://osgeo-org.atlassian.net/browse/GEOS-11297", "tags": ["Issue Tracking"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "GeoServer es un servidor de c\u00f3digo abierto que permite a los usuarios compartir y editar datos geoespaciales. Versiones anteriores a la 2.25.0, existe una vulnerabilidad de cross-site scripting (XSS) reflejado en el formato de salida HTML de WMS GetFeatureInfo que permite a un atacante remoto ejecutar c\u00f3digo JavaScript arbitrario en el navegador de una v\u00edctima a trav\u00e9s de par\u00e1metros SLD_BODY especialmente dise\u00f1ados. Este problema ha sido parcheado en la versi\u00f3n 2.25.0."}], "lastModified": "2026-10-18T20:10:00.110", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:geoserver:geoserver:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D74556B8-BDEF-4EC2-98AA-BD99DB2DA4A6", "versionEndExcluding": "2.25.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}