CVE-2026-63360

LimeSurvey Community Edition 7.0.5+260623 contains an authenticated reflected Cross-Site Scripting vulnerability in the user activation confirmation endpoint. The action query parameter is copied into the response and inserted into a hidden input attribute without HTML attribute encoding. This issue affects LimeSurvey: 7.0.5.

  • Published Aug 26, 2026
  • CVSS 7.4 high
  • 0.5% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-63360 at the National Vulnerability Database