{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "5.8.7"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "Nagios XI versions prior to 5.8.7 using embedded Nagios Core are vulnerable to cross-site scripting (XSS) via the Core UI’s Views URL handling (escape_string()). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.",
  "id": "CVE-2021-47698",
  "modified": "2026-03-10T21:50:42.501700169Z",
  "published": "2025-11-03T22:15:53.100Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.nagios.com/changelog/nagios-xi/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/nagios-xi-xss-in-core-ui-views-url-handling"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}