PT-2026-43111 · Roundcube · Webmail

Published 2026-05-25 · Updated 2026-05-25 · CVE-2026-48848

Mitre

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element with the attributeName attribute.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-48848

Affected Products

Webmail

References · 5

• https://github.com/roundcube/roundcubemail/releases/tag/1.6.16 · Note
• https://github.com/roundcube/roundcubemail/releases/tag/1.7.1 · Note
• https://github.com/roundcube/roundcubemail/commit/c960d102472dc579e15907d5bcdc3103a090ccf9 · Note
• https://github.com/roundcube/roundcubemail/commit/58e5263f341e6a418774fb6d2643669a3c4d8a27 · Note
• https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1 · Note