securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file
{
"nvd_published_at": "2018-11-14T11:29:00Z",
"cwe_ids": [
"CWE-91"
],
"severity": "HIGH",
"github_reviewed": true,
"github_reviewed_at": "2019-11-19T03:40:52Z"
}