CVE-2026-54433

Summary

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 Software

VendorProductVersion RangeStatus
RoundcubeWebmail1.6.0 < 1.6.17affected
RoundcubeWebmail1.7.0 < 1.7.2affected

Weaknesses

  • CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References