Vulnerability-Lookup

GHSA-X5CX-W6P2-MXF2

Vulnerability from github – Published: 2026-08-20 18:45 – Updated: 2026-08-20 18:45

Summary

Wagtail: Improper permission handling when copying snippets

Details

Impact

A CMS user with "add" permission over a snippet model, but not "change" or "view" permission, could copy an existing snippet that they do not have access to, allowing them to view its contents.

Patches

Patched versions have been released as Wagtail 7.0.9, 7.3.4, 7.4.3 and 8.0rc2.

Workarounds

N/A

Acknowledgements

Many thanks to tinyb0y for reporting this issue.

For more information

If you have any questions or comments about this advisory:

Visit Wagtail's support channels
Email us at security@wagtail.org (view our security policy for more information).

Severity

6.5 (Medium)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wagtail"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wagtail"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.1"
            },
            {
              "fixed": "7.3.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wagtail"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.4"
            },
            {
              "fixed": "7.4.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wagtail"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.0rc1"
            },
            {
              "fixed": "8.0rc2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.0rc1"
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-280"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-08-20T18:45:23Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Impact\nA CMS user with \"add\" permission over a snippet model, but not \"change\" or \"view\" permission, could copy an existing snippet that they do not have access to, allowing them to view its contents.\n\n### Patches\nPatched versions have been released as Wagtail 7.0.9, 7.3.4, 7.4.3 and 8.0rc2.\n\n### Workarounds\nN/A\n\n### Acknowledgements\nMany thanks to tinyb0y for reporting this issue.\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n* Visit Wagtail\u0027s [support channels](https://docs.wagtail.org/en/stable/support.html)\n* Email us at [security@wagtail.org](mailto:security@wagtail.org) (view our [security policy](https://github.com/wagtail/wagtail/security/policy) for more information).",
  "id": "GHSA-x5cx-w6p2-mxf2",
  "modified": "2026-08-20T18:45:23Z",
  "published": "2026-08-20T18:45:23Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/wagtail/wagtail/security/advisories/GHSA-x5cx-w6p2-mxf2"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/wagtail/wagtail"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Wagtail: Improper permission handling when copying snippets"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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