Pagure before 5.6 allows XSS via the templates/blame.html blame view. References: https://docs.pagure.org/pagure/changelog.html https://pagure.io/pagure/c/31a0d2950ed409550074ca52ba492f9b87ec3318?branch=ab39e95ed4dc8367e5e146e6d9a9fa6925b75618 https://pagure.io/pagure/commits/master
This is already fixed in all currently maintained Fedora releases as well as EPEL 7 and EPEL 8.