CVE-2021-27911

CVE-2021-27911, GHSA-72hm-fx78-xwhc

packagist/mautic/core

Cross-site Scripting

Mautic is vulnerable to an inline JS XSS attack through the contact's first or last name and triggered when viewing a contact's details page then clicking on the action drop down and hovering over the Campaigns button. Contact first and last name can be populated from different sources such as UI, API, 3rd party syncing, forms, etc.

All versions before 3.3.4, all versions starting from 4.0.0-alpha1 before versions before 4.0.0

Upgrade to version 3.3.4, 4.0.0 or above.

2021-09-13