CVE-2026-63360

EUVD-2026-66773
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
Fluid AttacksCNA
7.4 HIGH
NETWORK
LOW
NONE
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 19.2%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
limesurveylimesurvey
7.0.5
CNA
Common Weakness Enumeration
References
https://fluidattacks.com/advisories/raine
https://github.com/LimeSurvey/LimeSurvey
https://fluidattacks.com/advisories/raine