Plugin Conflict with WangGuard : Submit Button Issue

The Plugin has Conflict with WangGuard Plugin. The submit button doesn’t work if the WangGuard is on. However, submit button works if I call a quiz using short code inside a post. check this example

with short code: http://civildigital.com/prestressed-concrete-interview-questions-structural-engineers-2/

direct call : http://civildigital.com/quiz/combined-stress-interview-questions-for-structural-engineers-2/

https://ww.wp.xz.cn/plugins/quiz-master-next/