CVE-2026-16809

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.

  • Published Aug 26, 2026
  • CVSS 7.2 high
  • 0.2% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-16809 at the National Vulnerability Database