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CVE-2026-54433

Roundcube Webmail

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).

CVSS 7.2EPSS 0.312%Risk 0.74
View source
Published
2026-07-14 17:17:05
Affected versions
<1.6.17, <1.7.2
Type
Web application
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N