CVE-2021-27910

CVE-2021-27910 describes a stored XSS in Mautic via the bounce management callback. The vulnerability arises from insufficient sanitization of the POST parameters error and error_related_to in the callback endpoint (POST /mailer//callback). An attacker with access to the callback can inject arbit...

Stored XSS vulnerability on Bounce Management Callback

Impact Insufficient sanitization / filtering allows for arbitrary JavaScript Injection in Mautic using the bounce management callback function. The values submitted in the "error" and "errorrelatedto" parameters of the POST request of the bounce management callback will be permanently stored and...