XXS when a crafted SVG element is republished (CVE-2018-16468). Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Loofah -- XSS vulnerability
Debian Security Advisory DSA 4364-1 (ruby-loofah - security update)
openSUSE: Security Advisory for rubygem-loofah (openSUSE-SU-2018:3951-1)
openSUSE: Security Advisory for rmt-server (openSUSE-SU-2019:0185-1)
SUSE SLED15 / SLES15 Security Update : rubygem-loofah (SUSE-SU-2018:3928-1)
FreeBSD : Loofah -- XSS vulnerability (36a2a89e-7ee1-4ea4-ae22-7ca38019c8d0)
ruby-loofah - security update