# CVE-2023-41339: Unsecured WMS dynamic styling sld=<url> parameter affords blind unauthenticated SSRF

Source: https://junglewise.ai/threats/cve-2023-41339-unsecured-wms-dynamic-styling-sld-url-parameter-affords-blind  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-10-24  
License: CC BY 4.0 with a link back

CVE-2023-41339 · Severity: low · CVSS 3.1 · Published 2023-10-24

Unsecured WMS dynamic styling sld=<url> parameter affords blind unauthenticated SSRF

Technologies: [org.geoserver:gs-wms (Maven)](https://junglewise.ai/threats/technologies/org-geoserver-gs-wms), [org.geoserver.web:gs-web-app (Maven)](https://junglewise.ai/threats/technologies/org-geoserver-web-gs-web-app). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2023-41339 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-41339 being exploited in the wild.

**How severe is CVE-2023-41339?** Low severity, with a CVSS score of 3.1, published 24 October 2023.

**Which products and versions are affected?** org.geoserver:gs-wms (Maven) ECOSYSTEM:introduced=0,fixed=2.22.5; org.geoserver.web:gs-web-app (Maven) ECOSYSTEM:introduced=0,fixed=2.22.5.

**Is there a fix for CVE-2023-41339?** Yes. org.geoserver:gs-wms (Maven): upgrade to 2.22.5 or later; org.geoserver.web:gs-web-app (Maven): upgrade to 2.22.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-41339?** Check whether you run org.geoserver:gs-wms (Maven) or org.geoserver.web:gs-web-app (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.geoserver:gs-wms (Maven): upgrade to 2.22.5 or later

  ```sh
  # set org.geoserver:gs-wms to 2.22.5 in your pom.xml or build.gradle
  ```

- org.geoserver.web:gs-web-app (Maven): upgrade to 2.22.5 or later

  ```sh
  # set org.geoserver.web:gs-web-app to 2.22.5 in your pom.xml or build.gradle
  ```


## Affected products

- org.geoserver:gs-wms (Maven) ECOSYSTEM:introduced=0,fixed=2.22.5
- org.geoserver.web:gs-web-app (Maven) ECOSYSTEM:introduced=0,fixed=2.22.5

## Identifiers

- CVE-2023-41339
- GHSA-cqpc-x2c6-2gmf

## Related threats

- [GeoServer Server-Side Template Injection in FreeMarker templates](https://junglewise.ai/threats/cve-2024-45747-geoserver-server-side-template-injection-in-freemarker-templates)
- [GeoServer SSRF in XML entity resolution via proxy base URL bypass](https://junglewise.ai/threats/cve-2025-58175-geoserver-ssrf-in-xml-entity-resolution-via-proxy-base-url-bypass)
- [GeoServer arbitrary file write in Master Password Dump page](https://junglewise.ai/threats/cve-2025-52465-geoserver-arbitrary-file-write-in-master-password-dump-page)
- [GeoServer has a Reflected Cross-Site Scripting (XSS) vulnerability in its WMS GetFeatureInfo HTML format](https://junglewise.ai/threats/cve-2025-21621-geoserver-has-a-reflected-cross-site-scripting-xss-vulnerability)
- [GeoServer is vulnerable to Unauthenticated XML External Entities (XXE) attack via WMS GetMap feature](https://junglewise.ai/threats/cve-2025-58360-osgeo-geoserver-xxe-in-wms-getmap-operation)