CVE-2026-54432

Summary

Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.

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