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.
http://packetstormsecurity.com/files/156743/OctoberCMS-Insecure-Dependencies.html
https://access.redhat.com/errata/RHSA-2019:1456
https://access.redhat.com/errata/RHSA-2019:3023
https://access.redhat.com/errata/RHSA-2019:3024
http://seclists.org/fulldisclosure/2019/May/10
http://seclists.org/fulldisclosure/2019/May/11
http://seclists.org/fulldisclosure/2019/May/13
https://github.com/twbs/bootstrap/pull/28236
https://github.com/twbs/bootstrap/releases/tag/v3.4.1
https://github.com/twbs/bootstrap/releases/tag/v4.3.1
https://seclists.org/bugtraq/2019/May/18
https://support.f5.com/csp/article/K24383845
https://support.f5.com/csp/article/K24383845?utm_source=f5support&%3Butm_medium=RSS