The media2click (aka 2 Clicks for External Media) extension 1.x before 1.3.3 for TYPO3 allows XSS by a backend user account.
{
"nvd_published_at": "2021-04-28T07:15:00Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-79"
],
"github_reviewed_at": "2021-05-03T16:41:32Z",
"severity": "MODERATE"
}