Description
MapServer is a system for developing web-based GIS applications. From version 6.0 to before version 8.6.2, a reflected XSS vulnerability in MapServer's WMS server allows an unauthenticated attacker to inject arbitrary HTML/JavaScript into the browser of any user who opens a crafted WMS URL. The vulnerability is triggered via FORMAT=application/openlayers combined with an unsanitized SRS parameter in WMS 1.3.0 requests. This issue has been patched in version 8.6.2.
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| mapserver | โ | 8.6.2-1 |
References
Similar Threats
- High CVE-2026-45104
- Unknown DEBIAN-CVE-2026-45104
- Unknown UBUNTU-CVE-2026-45104
- Medium CVE-2026-42030
- Unknown UBUNTU-CVE-2026-42030
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