CVE-2017-6820: Roundcube Webmail

Medium severity, CVSS 6.1. EPSS: 1.3% chance of exploitation in the next 30 days.

rcube_utils.php in Roundcube before 1.1.8 and 1.2.x before 1.2.4 is susceptible to a cross-site scripting vulnerability via a crafted Cascading Style Sheets (CSS) token sequence within an SVG element.

Affected products

• Roundcube Webmail: up to and including 1.1.7; version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only

Published 2017-03-12. Last modified 2026-06-17.