MapServer · weakness class

Cross-site Scripting

2 CVEs

Every dot is a CVE in what this vendor ships; the named ones are the most at risk.

Every one of the 2 is a mark on the map. Named now: 1 to 2, most at risk first.

MapServer: Reflected XSS in OpenLayers HTML Output via `HTTP_X_FORWARDED_HOST`CVE-2026-54355MapServer · CVSS 5.3 · 0.5% likely
CWE-79
MapServer: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in OpenLayers viewerCVE-2026-42030MapServer · CVSS 6.1 · 0.2% likely
CWE-80

exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.