CVE-2026-42030

Technical details about CVE-2026-42030 are not publicly provided in the supplied documents. Monitor for updates from MapServer advisories and the CVE entry.

CVE-2026-42030 MapServer: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in OpenLayers viewer

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...