XSS attack vector in mwstake/mediawiki-component-commonuserinterface.

Evaluation of the vulnerability in BlueSpice

The value from 'title' parameter get's unsanitized to the output (e.g. in 'list-group-item').

Patch release 4.1.3 contains an important security-fix for this attack.

The corresponding CVE entry is still pending and will be published soon. It is highly recommended that all users update their installation of BlueSpice 4 as soon as possible.

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