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.
No PoCs from references.
- https://github.com/Live-Hack-CVE/CVE-2020-15562
- https://github.com/alphaSeclab/sec-daily-2020