Wagtail has improper permission handling on admin preview endpoints

Wagtail is an open source content management system built on Django. Prior to versions 6.3.6, 7.0.4, 7.1.3, 7.2.2, and 7.3, due to a missing permission check on the preview endpoints, a user with access to the Wagtail admin and knowledge of a model's fields can craft a form submission to obtain a preview rendering of any page, snippet or site setting object for which previews are enabled, consisting of any data of the user's choosing. The existing data of the object itself is not exposed, but depending on the nature of the template being rendered, this may expose other database contents that would otherwise only be accessible to users with edit access over the model. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. This issue has been patched in versions 6.3.6, 7.0.4, 7.1.3, 7.2.2, and 7.3.

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授权机制缺失

Wagtail 安全漏洞

Wagtail是Wagtail开源的一套开源的内容管理系统（CMS）。 Wagtail 6.3.6之前版本、7.0.4之前版本、7.1.3之前版本、7.2.2之前版本和7.3之前版本存在安全漏洞，该漏洞源于预览端点缺少权限检查，可能导致获取任意页面、片段或站点设置的预览渲染。

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