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.
Published: 2026-05-25
Score: 4.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4604-1 roundcube security update
Debian DSA Debian DSA DSA-6301-1 roundcube security update
History

Tue, 26 May 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 25 May 2026 21:45:00 +0000

Type Values Removed Values Added
Title Stored XSS via Unvalidated Subject Field in Draft Restoration for Roundcube Webmail

Mon, 25 May 2026 20:15:00 +0000

Type Values Removed Values Added
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.
First Time appeared Roundcube
Roundcube webmail
Weaknesses CWE-79
CPEs cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
Vendors & Products Roundcube
Roundcube webmail
References
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N'}


Subscriptions

Roundcube Webmail
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-26T13:01:11.210Z

Reserved: 2026-05-25T19:30:37.961Z

Link: CVE-2026-48849

cve-icon Vulnrichment

Updated: 2026-05-26T13:01:08.590Z

cve-icon NVD

Status : Deferred

Published: 2026-05-25T20:16:37.540

Modified: 2026-06-17T10:55:17.710

Link: CVE-2026-48849

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-25T22:00:12Z

Weaknesses