CVE-2026-54433

A flaw was found in Roundcube Webmail. A remote attacker could exploit a Stored Cross-Site Scripting XSS vulnerability by sending a specially crafted plain-text email message. When the victim opens or previews this message, attacker-controlled JavaScript executes within their authenticated sessio...

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...