Cross-site Scripting (XSS) Affecting roundcube package, versions <1.6.17+dfsg-0+deb13u1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.31% (24th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-DEBIAN13-ROUNDCUBE-17818785
  • published6 Jul 2026
  • disclosed14 Jul 2026

Introduced: 6 Jul 2026

CVE-2026-54433  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Debian:13 roundcube to version 1.6.17+dfsg-0+deb13u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream roundcube package and not the roundcube package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

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).

CVSS Base Scores

version 3.1