{"id":"CVE-2021-42112","aliases":["BIT-limesurvey-2021-42112","GHSA-h9ph-jcgh-gf69"],"url":"https://o3.security/vulnerability/CVE-2021-42112","summary":"Cross-site Scripting in Limesurvey","details":"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.","published":"2021-10-08T21:15:07.883Z","modified":"2026-08-07T16:57:48.856325Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"limesurvey/limesurvey","fixedVersion":"3.27.19"}],"fix":{"url":"https://github.com/LimeSurvey/LimeSurvey/commit/d56619a50cfd191bbffd0adb660638a5e438070d","label":"LimeSurvey/LimeSurvey@d56619a"},"references":[{"type":"REPORT","url":"https://bugs.limesurvey.org/view.php?id=17562"},{"type":"FIX","url":"https://github.com/LimeSurvey/LimeSurvey/commit/d56619a50cfd191bbffd0adb660638a5e438070d"},{"type":"EVIDENCE","url":"https://www.on-x.com/sites/default/files/on-x_-_security_advisory_-_limesurvey_-_cve-2021-42112.pdf"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T16:57:48.856325Z"}}