An issue was discovered in Roundcube Webmail before 1.2.11, 1.3.x before 1.3.14, and 1.4.x before 1.4.7. It allows XSS via a crafted HTML e-mail message, as demonstrated by a JavaScript payload in the xmlns (aka XML namespace) attribute of a HEAD element when an SVG element exists.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15562
Reference (s):
- DEBIAN:DSA-4720
- URL: https://www.debian.org/security/2020/dsa-4720
- https://github.com/roundcube/roundcubemail/commit/3e8832d029b035e3fcfb4c75839567a9580b4f82
- https://github.com/roundcube/roundcubemail/releases/tag/1.2.11
- https://github.com/roundcube/roundcubemail/releases/tag/1.3.14