XSS in Limesurvey

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.

Vulnerability class: XSS (Cross-Site Scripting)

Affected products

Weakness classification (CWE)

References