Lime Survey <= 6.5.12 is vulnerable to Cross Site Request Forgery (CSRF). The YII_CSRF_TOKEN is only checked when passed in the body of POST requests, but the same check isn't performed in the equivalent GET requests.
Cross Site Scripting (XSS) vulnerability in LimeSurvey before version 6.2.9-230925 allows a remote attacker to escalate privileges via a crafted script to the _generaloptions_panel.php component.
A cross-site scripting (XSS) vulnerability in uploadConfirm.php of LimeSurvey v5.3.9 and below allows attackers to execute arbitrary web scripts or HTML via a crafted plugin.
A stored cross-site scripting (XSS) vulnerability in LimeSurvey before and including 3.21.1 allows authenticated users with correct permissions to inject arbitrary web script or HTML via parameter ParticipantAttributeNamesDropdown of the Attributes on the central participant database page. When the survey attribute being edited or viewed, e.g. by an administrative user, the JavaScript code will be executed in the browser.
LimeSurvey before 4.1.12+200324 has stored XSS in application/views/admin/surveysgroups/surveySettings.php and application/models/SurveysGroups.php (aka survey groups).
A cross-site scripting (XSS) vulnerability in admin/translate/translateheader_view.php in LimeSurvey 3.19.1 and earlier allows remote attackers to inject arbitrary web script or HTML via the tolang parameter, as demonstrated by the index.php/admin/translate/sa/index/surveyid/336819/lang/ PATH_INFO.
Limesurvey before 3.17.14 uses an anti-CSRF cookie without the HttpOnly flag, which allows attackers to access a cookie value via a client-side script.