GHSA-QP29-WCC2-VMPC

Vulnerability from github – Published: 2024-05-23 18:14 – Updated: 2024-05-23 18:14
VLAI
Summary
Silverstripe HtmlEditor embed url sanitisation
Details

"Add from URL" doesn't clearly sanitise URL server side

HtmlEditorField_Toolbar has an action HtmlEditorField_Toolbar#viewfile, which gets called by the CMS when adding a media "from a URL" (i.e. via oembed).

This action gets the URL to add in the GET parameter FileURL. However it doesn't do any URL sanitising server side. The current logic will pass this through to Oembed, which will probably reject most dangerous URLs, but it's possible future changes would break this.

Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "silverstripe/framework"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2024-05-23T18:14:45Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "\"Add from URL\" doesn\u0027t clearly sanitise URL server side\n\nHtmlEditorField_Toolbar has an action HtmlEditorField_Toolbar#viewfile, which gets called by the CMS when adding a media \"from a URL\" (i.e. via oembed).\n\nThis action gets the URL to add in the GET parameter FileURL. However it doesn\u0027t do any URL sanitising server side. The current logic will pass this through to Oembed, which will probably reject most dangerous URLs, but it\u0027s possible future changes would break this.",
  "id": "GHSA-qp29-wcc2-vmpc",
  "modified": "2024-05-23T18:14:45Z",
  "published": "2024-05-23T18:14:45Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/SS-2015-027-1.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/silverstripe/silverstripe-framework"
    },
    {
      "type": "WEB",
      "url": "https://www.silverstripe.org/download/security-releases/ss-2015-027"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Silverstripe HtmlEditor embed url sanitisation"
}



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