GHSA-793W-G325-HRW2

Vulnerability from github – Published: 2023-06-30 20:40 – Updated: 2023-06-30 20:40
VLAI?
Summary
XWiki Platform vulnerable to persistent Cross-site Scripting through CKEditor Configuration pages
Details

Effect

Any user with edit rights can edit all pages in the `CKEditor' space. This makes it possible to perform a variety of harmful actions, such as - removing technical documents, leading to loss of service - Editing the javascript configuration of CKEditor, leading to persistent XSS

Patches

This issue has been patched in XWiki 14.10.6 and XWiki 15.1. This issue has been patched on the CKEditor Integration extension 1.64.9 for XWiki version older than 14.6RC1.

Workarounds

The issue can be fixed manually by restricting the edit and delete rights to a trusted user or group (e.g. the XWiki.XWikiAdminGroup group), implicitly disabling those rights for all other users. See https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f

References

  • https://jira.xwiki.org/browse/XWIKI-20590
  • https://jira.xwiki.org/browse/CKEDITOR-508
  • https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f

For more information

If you have any questions or comments about this advisory:

Severity ?
9.0 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-ckeditor-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "14.6-rc-1"
            },
            {
              "fixed": "14.10.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.contrib:application-ckeditor-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.9"
            },
            {
              "fixed": "1.64.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-ckeditor-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "15.0-rc-1"
            },
            {
              "fixed": "15.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-36477"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-30T20:40:47Z",
    "nvd_published_at": "2023-06-30T19:15:09Z",
    "severity": "CRITICAL"
  },
  "details": "### Effect\nAny user with edit rights can edit all pages in the `CKEditor\u0027 space. This makes it possible to perform a variety of harmful actions, such as\n- removing technical documents, leading to loss of service\n- Editing the javascript configuration of CKEditor, leading to persistent XSS\n\n### Patches\nThis issue has been patched in XWiki 14.10.6 and XWiki 15.1.\nThis issue has been patched on the CKEditor Integration extension 1.64.9 for XWiki version older than 14.6RC1.\n\n### Workarounds\nThe issue can be fixed manually by restricting the `edit` and `delete` rights to a trusted user or group (e.g. the `XWiki.XWikiAdminGroup` group), implicitly disabling those rights for all other users.\nSee https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f\n\n### References\n- https://jira.xwiki.org/browse/XWIKI-20590\n- https://jira.xwiki.org/browse/CKEDITOR-508\n- https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f\n\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n*    Open an issue in [Jira XWiki.org](https://jira.xwiki.org/)\n*    Email us at [Security Mailing List](mailto:security@xwiki.org)",
  "id": "GHSA-793w-g325-hrw2",
  "modified": "2023-06-30T20:40:47Z",
  "published": "2023-06-30T20:40:47Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-793w-g325-hrw2"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-36477"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/xwiki/xwiki-platform"
    },
    {
      "type": "WEB",
      "url": "https://jira.xwiki.org/browse/CKEDITOR-508"
    },
    {
      "type": "WEB",
      "url": "https://jira.xwiki.org/browse/XWIKI-20590"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "XWiki Platform vulnerable to persistent Cross-site Scripting through CKEditor Configuration pages"
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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