GHSA-7MJ4-2984-955F

Vulnerability from github – Published: 2022-05-14 01:57 – Updated: 2025-08-29 20:34
VLAI?
Summary
Withdrawn Advisory: AlchemyCMS is vulnerable to stored XSS via the /admin/pictures image field
Details

Withdrawn Advisory

This advisory has been withdrawn because it does not describe a vulnerability. The maintainer states the following:

The researcher used an authorized cookie to perform the request to a password-protected route. Without that session cookie, the request would have been rejected as unauthorized.

Original Description

A Stored XSS vulnerability has been discovered in version 4.1.0 of AlchemyCMS via the /admin/pictures image field.

Severity ?
5.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "alchemy_cms"
      },
      "versions": [
        "4.1.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2018-18307"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-08-01T20:57:57Z",
    "nvd_published_at": "2018-10-16T22:29:00Z",
    "severity": "MODERATE"
  },
  "details": "## Withdrawn Advisory\n\nThis advisory has been withdrawn because it does not describe a vulnerability. The maintainer states the following:\n\n\u003e The researcher used an authorized cookie to perform the request to a password-protected route. Without that session cookie, the request would have been rejected as unauthorized.\n\n## Original Description\n\nA Stored XSS vulnerability has been discovered in version 4.1.0 of AlchemyCMS via the /admin/pictures image field.",
  "id": "GHSA-7mj4-2984-955f",
  "modified": "2025-08-29T20:34:47Z",
  "published": "2022-05-14T01:57:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18307"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/AlchemyCMS/alchemy_cms"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/base_controller.rb#L15"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/pictures_controller.rb#L5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/resources_controller.rb#L21"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/alchemy_cms/CVE-2018-18307.yml"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/45601"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/149787/Alchemy-CMS-4.1-Stable-Cross-Site-Scripting.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Withdrawn Advisory: AlchemyCMS is vulnerable to stored XSS via the /admin/pictures image field",
  "withdrawn": "2025-08-29T20:34:47Z"
}


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