GHSA-PR22-P9RP-2CQV中危已审查

Ghost: Cross-Site Scripting in Feature Image Captions

OSV 1.4.0 · github-reviewed · 修改于 2026-08-05 22:40

发布时间

2026-08-05 22:40

GitHub 审查时间

2026-08-05 22:40

NVD 发布时间

—

源文件

advisories/github-reviewed/2026/08/GHSA-pr22-p9rp-2cqv/GHSA-pr22-p9rp-2cqv.json

公告说明

Impact

An input validation issue allowed any staff user to create a post with content that could be used to hijack another staff user's Ghost Admin session resulting in privilege escalation.

Vulnerable versions

This vulnerability is present in Ghost from v4.9.0 up to v6.54.0.

Patches

v6.54.1 contains a fix for this issue.

How to update

For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.

If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.

References

Ghost thanks Versa for disclosing this vulnerability responsibly.

For more information

If you have any questions or comments about this advisory, email Ghost at [email protected].

受影响的软件包

npm

标识信息

别名 / CVE

CVE-2026-70596

CWE

CWE-79

软件生态

npm

扩展资料

暂无扩展资料。

CVSS 评分

CVSS_V3

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L

原始 OSV JSON

{
  "id": "GHSA-pr22-p9rp-2cqv",
  "aliases": [
    "CVE-2026-70596"
  ],
  "details": "### Impact\n\nAn input validation issue allowed any staff user to create a post with content that could be used to hijack another staff user's Ghost Admin session resulting in privilege escalation.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v4.9.0 up to v6.54.0.\n\n### Patches\n\nv6.54.1 contains a fix for this issue.\n\n### How to update\n\nFor self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost). \n\nIf your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update). \n\n### References\n\nGhost thanks Versa for disclosing this vulnerability responsibly.\n\n### For more information\n\nIf you have any questions or comments about this advisory, email Ghost at [[email protected]](mailto:[email protected]).",
  "summary": "Ghost: Cross-Site Scripting in Feature Image Captions",
  "affected": [
    {
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "4.9.0"
            },
            {
              "fixed": "6.54.1"
            }
          ]
        }
      ],
      "package": {
        "name": "ghost",
        "ecosystem": "npm"
      }
    }
  ],
  "modified": "2026-08-05T14:40:57Z",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L"
    }
  ],
  "published": "2026-08-05T14:40:15Z",
  "references": [
    {
      "url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-pr22-p9rp-2cqv",
      "type": "WEB"
    },
    {
      "url": "https://github.com/TryGhost/Ghost/pull/29635",
      "type": "WEB"
    },
    {
      "url": "https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e",
      "type": "WEB"
    },
    {
      "url": "https://github.com/TryGhost/Ghost",
      "type": "PACKAGE"
    },
    {
      "url": "https://github.com/TryGhost/Ghost/releases/tag/v6.54.1",
      "type": "WEB"
    }
  ],
  "schema_version": "1.4.0",
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "nvd_published_at": null,
    "github_reviewed_at": "2026-08-05T14:40:15Z"
  }
}