GHSA-jm5p-837g-rv8g

### Impact A CMS user with the "submit translations" permission, could use the Admin API's "copy for translation" endpoint to copy an existing page that they do not have edit 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](https://docs.wagtail.org/en/stable/support.html) * Email us at [[email protected]](mailto:[email protected]) (view our [security policy](https://github.com/wagtail/wagtail/security/policy) for more information).