CVE-2020-36993: Limesurvey

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

LimeSurvey 4.3.10 contains a stored cross-site scripting vulnerability in the Survey Menu functionality of the administration panel. Attackers can inject malicious SVG scripts through the Surveymenu[title] and Surveymenu[parent_id] parameters to execute arbitrary JavaScript in administrative contexts.

Affected products

• Limesurvey Limesurvey: up to and including 4.3.10

Published 2026-01-28. Last modified 2026-06-17.