{
  "cveId": "CVE-2026-42030",
  "url": "https://patchblox.com/security/cve/CVE-2026-42030",
  "summary": "CVE-2026-42030 is fixed in mapserver on 1 platform by DEBIAN-CVE-2026-42030 (version 8.6.2-1), released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "mapserver: MapServer is a system for developing web-based GIS applications",
  "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\u0027s 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.",
  "published": "2026-05-08T17:16:31Z",
  "severity": "medium",
  "cvss": 6.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
  "epss": 0.00247,
  "epssPercentile": 0.16101,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "mapserver",
      "release": "Debian 14",
      "fixedVersion": "8.6.2-1",
      "fix": "DEBIAN-CVE-2026-42030",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-42030",
      "released": "2026-05-15T16:01:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-12T01:51:14Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}