CVE-2026-48849

Medium

Description

In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.

SeverityMedium
CVSS4.4
Exploit probability—
ProductWebmail
PublishedMay 25, 2026
First seenMay 25, 2026

How to fix

Update
  • Roundcube Webmail1.6.16, 1.7.1 or later

Affected products

ProductAffected versionsFixed in
Roundcube Webmail1.6.0 ≤ v < 1.6.16, 1.7.0 ≤ v < 1.7.11.6.16, 1.7.1

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