Mautic versions before 3.3.4/4.0.0 are vulnerable to an inline JS XSS attack when viewing Mautic assets by utilizing inline JS in the title and adding a broken image URL as a remote asset. This can only be leveraged by an authenticated user with permission to create or edit assets.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| mautic/core(Packagist) | 0 | 3.3.4 | N/A |
| mautic/core(Packagist) | 4.0.0-alpha1 | 4.0.0 | N/A |
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