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.
{ "nvd_published_at": "2021-10-08T21:15:00Z", "github_reviewed_at": "2021-10-11T20:21:13Z", "severity": "MODERATE", "github_reviewed": true, "cwe_ids": [ "CWE-79" ] }