The "File upload question" functionality in LimeSurvey 3.x-LTS through 3.27.18 allows XSS in assets/scripts/modaldialog.js and assets/scripts/uploader.js.
{
"github_reviewed": true,
"cwe_ids": [
"CWE-79"
],
"nvd_published_at": "2021-10-08T21:15:00Z",
"severity": "MODERATE",
"github_reviewed_at": "2021-10-11T20:21:13Z"
}