{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "5.85.1"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "158c1ae570b6aade617fde157e77f5282aef441a"
            }
          ],
          "repo": "https://github.com/tryghost/ghost",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Ghost through 5.85.1 allows remote attackers to bypass an authentication rate-limit protection mechanism by using many X-Forwarded-For headers with different values. NOTE: the vendor's position is that Ghost should be installed with a reverse proxy that allows only trusted X-Forwarded-For headers.",
  "id": "CVE-2024-34451",
  "modified": "2026-03-13T21:49:23.304274268Z",
  "published": "2024-06-16T22:15:09.130Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://ghost.org/docs/faq/proxying-https-infinite-loops/"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/TryGhost/Ghost/releases"
    },
    {
      "type": "EVIDENCE",
      "url": "https://docs.google.com/document/d/1iy0X4Vc9xXYoBxFrcW6ATo8GKPV6ivuLVzn6GgEpwqE"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}