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GHSA-p4v8-rw59-93cq

Wagtail Vulnerable to Cross-site Scripting in simple_translation admin interface

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-28223

Packages

EcosystemPackageAffectedFixed in
PyPI wagtail < 6.3.8 6.3.8
PyPI wagtail >= 6.4rc1, < 7.0.6 7.0.6
PyPI wagtail >= 7.1rc1, < 7.2.3 7.2.3
PyPI wagtail >= 7.3rc1, < 7.3.1 7.3.1

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact A stored Cross-site Scripting (XSS) vulnerability exists on confirmation messages within the `wagtail.contrib.simple_translation` module. A user with access to the Wagtail admin area may create a page with a specially-crafted title which, when another user performs the "Translate" action, causes arbitrary JavaScript code to run. This could lead to performing actions with that user's credentials. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. ### Patches Patched versions have been released as Wagtail 6.3.8, 7.0.6, 7.2.3 and 7.3.1. ### Workarounds None ### Acknowledgements Many thanks to Guan Chenxian (@GCXWLP) for reporting this issue. ### For more information If there are any questions or comments about this advisory: - Visit Wagtail's [support channels](https://docs.wagtail.io/en/stable/support.html) - Email Wagtail at [[email protected]](mailto:[email protected]) (view the [security policy](https://github.com/wagtail/wagtail/security/policy) for more information).

References

External links from the advisory. They lead to third-party sites.