Cross Site Scripting vulnerability in Limesurvey v.6.15.20+251021 allows a remote attacker to execute arbitrary code via the Box[title] and box[url] parameters.
https://github.com/LimeSurvey/LimeSurvey/pull/4356
https://gist.github.com/masquerad3r/772ddbfbd9fd95754f4873bcb202146d