Security Advisory

CVE-2026-54433

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-14 16:18:16

Last updated 2026-07-15 14:10:33

Assigner mitre

CVSS score 7.2

State PUBLISHED

Description

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting (XSS) via a crafted plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message (zero-click).

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