CVE-2020-25797: Limesurvey

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

LimeSurvey 3.21.1 is affected by cross-site scripting (XSS) in the Add Participants Function (First and last name parameters). When the survey participant being edited, e.g. by an administrative user, the JavaScript code will be executed in the browser.

Affected products

• Limesurvey Limesurvey: version 3.21.1 only

Published 2020-12-31. Last modified 2026-06-17.