CVE-2021-29434 Improper validation of URLs ('Cross-site Scripting') in Wagtail rich text fields

Wagtail is a Django content management system. In affected versions of Wagtail, when saving the contents of a rich text field in the admin interface, Wagtail does not apply server-side checks to ensure that link URLs use a valid protocol. A malicious user with access to the admin interface could...

CVE-2021-29434

Wagtail (a Django-based CMS) has a vulnerability in rich-text links where server-side checks do not enforce a valid protocol, allowing a malicious admin user to publish content containing javascript: URLs. Affected versions can be exploited via admin POST requests; an ordinary site visitor cannot...