CVE-2025-21621— GeoServer Reflected Cross-Site Scripting (XSS) vulnerability in WMS GetFeatureInfo HTML format
Quick assessment
Affected
geoserver geoserver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
GeoServer是GeoServer开源的一个用 Java 编写的开源软件服务器。允许用户共享和编辑地理空间数据。 GeoServer 2.25.0之前版本存在跨站脚本漏洞，该漏洞源于WMS GetFeatureInfo HTML输出格式中存在反射型跨站脚本，可能导致执行任意JavaScript代码。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-21621
Vulnerability Information
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Vulnerability Title
GeoServer Reflected Cross-Site Scripting (XSS) vulnerability in WMS GetFeatureInfo HTML format
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
GeoServer 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GeoServer是GeoServer开源的一个用 Java 编写的开源软件服务器。允许用户共享和编辑地理空间数据。 GeoServer 2.25.0之前版本存在跨站脚本漏洞，该漏洞源于WMS GetFeatureInfo HTML输出格式中存在反射型跨站脚本，可能导致执行任意JavaScript代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-21621
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Other References for CVE-2025-21621 (1)
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https://osgeo-org.atlassian.net/browse/GEOS-11297 x_refsource_MISC
IV. Related Vulnerabilities
Same product: geoserver
-
CVE-2025-58360
GeoServer is vulnerable to an Unauthenticated XML External E -
CVE-2025-30220
GeoTools, GeoServer, and GeoNetwork XML External Entity (XXE -
CVE-2025-30145
GeoServer has an Infinite Loop Vulnerability in Jiffle proce -
CVE-2025-27505
GeoServer Missing Authorization on REST API Index -
CVE-2024-40625
GeoServer Coverage REST API Allows Server Side Request Forge
Same vendor: geoserver
-
CVE-2025-58175
GeoServer has a Server-Side Request Forgery (SSRF) Vulnerabi -
CVE-2025-52465
GeoServer has an arbitrary file write vulnerability in its M -
CVE-2025-27511
GeoServer DB2 DataStore Extension has a JNDI Vulnerability v -
CVE-2025-58360
GeoServer is vulnerable to an Unauthenticated XML External E -
CVE-2025-30220
GeoTools, GeoServer, and GeoNetwork XML External Entity (XXE
Same weakness: CWE-79
-
CVE-2026-107889
Keycloak-services: keycloak-services: stored xss on login pa -
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Jivejdon through 5.0 Stored XSS via Attachment Upload Conten -
CVE-2026-107800
Jivejdon through 5.0 Stored XSS via Private Short Messages -
CVE-2026-107799
Jivejdon through 5.0 Stored XSS via messageListBody.jsp Foru -
CVE-2026-107797
Jivejdon through 5.0 Reflected XSS via postThread.jsp to and
V. Comments for CVE-2025-21621
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