ZeroHour

CVE-2026-54433

CVSS 3.1
10.0 critical
EPSS
<1%p24
Published
()
Modified
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).

Vendors
roundcube
Products
webmail
Weakness
CWE-79
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

In the news

No ingested article mentions this CVE yet.