A roundcubemail security update has been released for Arch Linux.

ASA-202102-27: roundcubemail: cross-site scripting

Arch Linux Security Advisory ASA-202102-27
=========================================
Severity: High
Date : 2021-02-12
CVE-ID : CVE-2021-26925
Package : roundcubemail
Type : cross-site scripting
Remote : Yes
Link :   https://security.archlinux.org/AVG-1551

Summary
======
The package roundcubemail before version 1.4.11-1 is vulnerable to
cross-site scripting.

Resolution
=========
Upgrade to 1.4.11-1.

# pacman -Syu "roundcubemail>=1.4.11-1"

The problem has been fixed upstream in version 1.4.11.

Workaround
=========
None.

Description
==========
Roundcube before 1.4.11 allows cross-site scripting (XSS) via crafted
Cascading Style Sheets (CSS) token sequences during HTML email
rendering.

Impact
=====
A remote attacker might be able to perform cross-site scripting via
crafted CSS content in a HTML message.

References
=========
  https://roundcube.net/news/2021/02/08/security-update-1.4.11
  https://github.com/roundcube/roundcubemail/commit/9dc276d5f26042db02754fa1bac6fbd683c6d596
  https://security.archlinux.org/CVE-2021-26925