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Security Advisories: GSA_kwCzR0hTQS13MnY4LXBocDQtcDhoY84AA7eE

Wagtail has permission check bypass when editing a model with per-field restrictions through `wagtail.contrib.settings` or `ModelViewSet`

Impact

If a model has been made available for editing through the wagtail.contrib.settings module or ModelViewSet, and the permission argument on FieldPanel has been used to further restrict access to one or more fields of the model, a user with edit permission over the model but not the specific field can craft an HTTP POST request that bypasses the permission check on the individual field, allowing them to update its value.

The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin, or by a user who has not been granted edit access to the model in question. The editing interfaces for pages and snippets are also unaffected.

Patches

Patched versions have been released as Wagtail 6.0.3 and 6.1. Wagtail releases prior to 6.0 are unaffected.

Workarounds

Site owners who are unable to upgrade to a patched version can avoid the vulnerability in ModelViewSet by registering the model as a snippet instead. No workaround is available for wagtail.contrib.settings.

Acknowledgements

Many thanks to Ben Morse and Joshua Munn for reporting this issue.

For more information

If you have any questions or comments about this advisory:

Permalink: https://github.com/advisories/GHSA-w2v8-php4-p8hc
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS13MnY4LXBocDQtcDhoY84AA7eE
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Low
Classification: General
Published: 4 months ago
Updated: 4 months ago


CVSS Score: 2.7
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Identifiers: GHSA-w2v8-php4-p8hc, CVE-2024-32882
References: Repository: https://github.com/wagtail/wagtail
Blast Radius: 8.9

Affected Packages

pypi:wagtail
Dependent packages: 200
Dependent repositories: 1,955
Downloads: 605,759 last month
Affected Version Ranges: >= 6.0.0, < 6.0.3
Fixed in: 6.0.3
All affected versions: 6.0.1, 6.0.2
All unaffected versions: 0.3.1, 0.4.1, 0.8.1, 0.8.2, 0.8.3, 0.8.4, 0.8.5, 0.8.6, 0.8.7, 0.8.8, 0.8.9, 0.8.10, 1.3.1, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.5.1, 1.5.2, 1.5.3, 1.6.1, 1.6.2, 1.6.3, 1.8.1, 1.8.2, 1.9.1, 1.10.1, 1.11.1, 1.12.1, 1.12.2, 1.12.3, 1.12.4, 1.12.5, 1.12.6, 1.13.1, 1.13.2, 1.13.3, 1.13.4, 2.0.1, 2.0.2, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.5.1, 2.5.2, 2.6.1, 2.6.2, 2.6.3, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.8.1, 2.8.2, 2.9.1, 2.9.2, 2.9.3, 2.10.1, 2.10.2, 2.11.1, 2.11.2, 2.11.3, 2.11.4, 2.11.5, 2.11.6, 2.11.7, 2.11.8, 2.11.9, 2.12.1, 2.12.2, 2.12.3, 2.12.4, 2.12.5, 2.12.6, 2.13.1, 2.13.2, 2.13.3, 2.13.4, 2.13.5, 2.14.1, 2.14.2, 2.15.1, 2.15.2, 2.15.3, 2.15.4, 2.15.5, 2.15.6, 2.16.1, 2.16.2, 2.16.3, 3.0.1, 3.0.2, 3.0.3, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, 4.1.8, 4.1.9, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.1.1, 5.1.2, 5.1.3, 5.2.1, 5.2.2, 5.2.3, 5.2.4, 5.2.5, 5.2.6, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.1.1, 6.1.2, 6.1.3, 6.2.1