Shopware before 5.3.4 has a PHP Object Instantiation issue via the sort parameter to the loadPreviewAction() method of the ShopwareControllersBackend_ProductStream controller, with resultant XXE via instantiation of a SimpleXMLElement object.
{ "nvd_published_at": "2019-01-15T16:29:00Z", "cwe_ids": [ "CWE-610" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2023-07-26T21:43:32Z" }