CVE-2026-16809: Limesurvey

High severity, CVSS 7.2. EPSS: 0.2% chance of exploitation in the next 30 days.

LimeSurvey Community Edition 7.0.5 contains a stored cross-site scripting vulnerability in the survey quota creation workflow. An authenticated low-privileged user who can create and manage their own survey can store malicious JavaScript in a quota message. This issue affects LimeSurvey: 7.0.5.

Affected products

• Limesurvey Limesurvey: version 7.0.5 only

Published 2026-08-26. Last modified 2026-08-28.