CVE-2023-5631 - CVE House
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Status published Medium CVE-2023-5631

Stored XSS vulnerability in Roundcube

Vulnerability Description

Roundcube before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 allows stored XSS via an HTML e-mail message with a crafted SVG document because of program/lib/Roundcube/rcube_washtml.php behavior. This could allow a remote attacker to load arbitrary JavaScript code.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Matthieu Faou
  • Denys Klymenko
  • Aleksander Machniak

Affected Vendor

Affected Software

Roundcubemail
Vulnerable Versions:
1.6.0, 1.5.0, 1.4.0, 1.6.4, 1.5.5, 1.5.15

Timeline

Official Publish: October 18th, 2023
Last Modified: October 21st, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)