10

CVE-2026-54433

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).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Roundcube ≫ Webmail Version < 1.6.17
Roundcube ≫ Webmail Version >= 1.7.0 < 1.7.2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.31% 0.235
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 10 3.9 5.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
MITRE 7.2 3.9 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2
Vendor Advisory