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.
- Affected products
- Geoserver
- Geoserver
- < 2.25.0
- Fix
- Available
- CVSS 3.1
- 6.1 MEDIUM
- EPSS
- 0.3% (21th percentile)
- Weakness
- CWE-79
- NVD status
- Analyzed
- Published
- 2025-11-25
CVE-2025-21621 at NVD
No indexed exploits for CVE-2025-21621 yet
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No exploit for CVE-2025-21621 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.