A Reflected Cross-Site Scripting (XSS) affects LimeSurvey versions prior to 6.15.11+250909, due to the lack of validation of gid parameter in getInstance() function in application/models/QuestionCreate.php. This allows an attacker to craft a malicious URL and compromise the logged in user.
An issue in the js_localize.php function of LimeSurvey v6.6.2 and before allows attackers to execute arbitrary code via injecting a crafted payload into the lng parameter of the js_localize.php function
A Host header injection vulnerability in the password reset function of LimeSurvey v.6.6.1+240806 and before allows attackers to send users a crafted password reset link that will direct victims to a malicious domain.
SQL injection vulnerability in Limesurvey (a.k.a PHPSurveyor) before 1.91+ Build 120224 and earlier allows remote attackers to execute arbitrary SQL commands via the fieldnames parameter to index.php.