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Admin account takeover (CSRF) via XSS because of arbitrary file upload (CVE-2022-37160)

Claroline Connect is affected by a CSRF vulnerability, because of missing CSRF tokens or other protection means. This CSRF can be triggered via the Claroline's API, by combining an XSS vulnerability (like svg maybe ?) with a fetch request to the API. An arbitrary user with admin rights can be created by triggering the XSS from an admin user.

Example of POC :

csrf_poc

Fix suggest : adding CSRF tokens or other protection way.