VULNERABILITY INTELLIGENCE
CVE-2026-54433
CVSS score7.2 HIGH
EPSS probability0.31%
CISA KEVNot currently listed
Published2026-07-14
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
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).
Weakness classification
- cve@mitre.org: CWE-79
Primary references
- cve@mitre.org — Vendor Advisory