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 Details
- CVSS 3.1 Base Score: 10
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade roundcube | Jul 22, 2026 | Jul 22, 2026 |
| Freebsd | — | Upgrade roundcube-php82Upgrade roundcube-php83Upgrade roundcube-php85Upgrade roundcube-php84 | Jul 7, 2026 | Jul 5, 2026 |
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