* Advisory ID: DRUPAL-SA-CONTRIB-2017-059
* Project: html_title (third-party module)
* Date: 2-Aug-2017
The HTML Title module allows a limited set of HTML markup (em, sub, sup, b, i, strong, cite, code, bdi, wbr) to be used in node titles.
The security team is marking this module unsupported. There is a known security issue with the module that has not been fixed by the maintainer. If you would like to maintain this module, please read: https://www.drupal.org/node/251466
* All versions
Drupal core is not affected. If you do not use the contributed html_title module, there is nothing you need to do.
If you use the html_title module for Drupal you should uninstall it.
Also see the html_title  project page: https://www.drupal.org/project/html_title