Kayran has detected that the version of Bootstrap being used is vulnerable to Cross-site scripting (XSS).
Because of this vulnerability, Cross-site scripting (XSS) is possible in the affix configuration target property. Also known as CVE-2018-20677.
To prevent CVE-2018-20677, update the version of the Bootstrap being used.
Make sure its version is 3.4.0 or higher.