Cross-site scripting (XSS) vulnerability in the HTML-Scrubber module before 0.15 for Perl, when the comment feature is enabled, allows remote attackers to inject arbitrary web script or HTML via a crafted comment.
https://metacpan.org/release/HTML-Scrubber
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172997.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172983.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172934.html