CVE-2026-91775: Limesurvey

High severity, CVSS 7.4. EPSS: 0.4% chance of exploitation in the next 30 days.

LimeSurvey Community Edition 7.0.14 fails to safely encode attacker-controlled content from a crafted .lss survey file when displaying import warnings, resulting in XSS in the administrative interface.

Affected products

• Limesurvey Limesurvey: version 7.0.14 only

Published 2026-09-23. Last modified 2026-10-02.