CVE-2026-54432

State: Published
Severity: 4.7 Medium
Published: Jul 14, 2026
Updated: Jul 15, 2026
Reserved: Jun 15, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.7 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N	mitre

Weaknesses

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

Affected Products

Product	Versions
WebmailRoundcube	1.6.0 to before 1.6.17Affected 1.7.0 to before 1.7.2Affected

References

https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2

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