CVE-2025-4654

The Soumettre.fr plugin for WordPress is vulnerable to unauthorized access and modification of data due to a improper authorization checks on the make_signature function in all versions up to, and including, 2.1.5. This makes it possible for unauthenticated attackers to create/edit/delete Soumettre posts. This vulnerability affects only installations where the soumettre account is not connected (i.e. API key is not installed)

More information : https://plugins.trac.wordpress.org/browser/soumettre-fr/tags/2.1.5/public/rest/class-soumettre-rest-route.php#L211