Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
In Bootstrap before 3.4.1 and 4.3.x before 4.3.1, XSS is possible in the tooltip or popover data-template attribute.
Advisories for Nuget/Bootstrap package
2019
In Bootstrap before 3.4.1 and 4.3.x before 4.3.1, XSS is possible in the tooltip or popover data-template attribute.