In the Loofah gem for Ruby through v2.3.0, unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished.
github.com/flavorjones/loofah
github.com/flavorjones/loofah/commit/0c6617af440879ce97440f6eb6c58636456dc8ec
github.com/flavorjones/loofah/issues/171
github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2019-15587.yml
hackerone.com/reports/709009
lists.fedoraproject.org/archives/list/[email protected]/message/4WK2UG7ORKRQOJ6E4XJ2NVIHYJES6BYZ
lists.fedoraproject.org/archives/list/[email protected]/message/XMCWPLYPNIWYAY443IZZJ4IHBBLIHBP5
nvd.nist.gov/vuln/detail/CVE-2019-15587
security.netapp.com/advisory/ntap-20191122-0003
usn.ubuntu.com/4498-1
www.debian.org/security/2019/dsa-4554