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7.2 High

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…

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).

Affected products and versions

Product Affected versions Fixed in
Webmail 1.7 1.7.0 → < 1.7.2 1.7.2
Webmail 1.6 1.6.0 → < 1.6.17 1.6.17

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