Loofah allows non-whitelisted attributes to be present in sanitized output when input with specially-crafted HTML fragments.
Users are affected if running Loofah < 2.2.1, but only:
JRuby users are not affected.
www.openwall.com/lists/oss-security/2018/03/19/5
github.com/advisories/GHSA-x7rv-cr6v-4vm4
github.com/flavorjones/loofah
github.com/flavorjones/loofah/commit/f739cf8eac5851f328b8044281d6653f74eff116
github.com/flavorjones/loofah/issues/144
github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2018-8048.yml
github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2018-8048.yml
github.com/sparklemotion/nokogiri/pull/1746
nvd.nist.gov/vuln/detail/CVE-2018-8048
security.netapp.com/advisory/ntap-20191122-0003
www.debian.org/security/2018/dsa-4171