Roundcube Webmail before 1.3.15 and 1.4.8 allows stored XSS in HTML messages during message display via a crafted SVG document. This issue has been fixed in 1.4.8 and 1.3.15.
lists.opensuse.org/opensuse-security-announce/2020-09/msg00083.html
github.com/roundcube/roundcubemail/commit/a71bf2e8d4a64ff2c83fdabc1e8cb0c045a41ef4
github.com/roundcube/roundcubemail/commit/d44ca2308a96576b88d6bf27528964d4fe1a6b8b
github.com/roundcube/roundcubemail/releases/tag/1.3.15
github.com/roundcube/roundcubemail/releases/tag/1.4.8
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3DAXK3565NYK4OEZVTW6S5LEVIDQEY2E/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OBLUQRIBAMEQVBO6GUZECCHJDJIWCYFU/