CVE-2021-42112: Limesurvey

Medium severity, CVSS 6.1. EPSS: 1.5% chance of exploitation in the next 30 days.

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.

Affected products

• Limesurvey Limesurvey: from 3.0.0, up to and including 3.27.18

Published 2021-10-08. Last modified 2026-06-17.