CVEvulnerability

CVE-2023-5631

5.4 MEDIUM Known exploited Published 2023-10-18 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability — Roundcube Webmail

Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that allows a remote attacker to run malicious JavaScript code.

Added to KEV: 2023-10-26
Remediation due: 2023-11-16
Ransomware use: Unknown
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: https://roundcube.net/news/2023/10/16/security-update-1.6.4-released, https://roundcube.net/news/2023/10/16/security-updates-1.5.5-and-1.4.15 ; https://nvd.nist.gov/vuln/detail/CVE-2023-5631

Status: Analyzed
Published: 2023-10-18
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 3.1 ([email protected]): 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weaknesses: CWE-79

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.

Affected configurations

• roundcube webmail (< 1.4.15) • roundcube webmail (>= 1.5.0 < 1.5.5) • roundcube webmail (>= 1.6.0 < 1.6.4) • debian debian linux 10.0 • debian debian linux 11.0 • debian debian linux 12.0 • fedoraproject fedora 39

Related

Weakness · CWE (1)

CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References

http://www.openwall.com/lists/oss-security/2023/11/01/1 Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/11/01/3 Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/11/17/2 Mailing List, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054079 Mailing List, Patch
https://github.com/roundcube/roundcubemail/commit/41756cc3331b495cc0b71886984474dc529dd31d Patch
https://github.com/roundcube/roundcubemail/commit/6ee6e7ae301e165e2b2cb703edf75552e5376613 Patch
https://github.com/roundcube/roundcubemail/issues/9168 Exploit, Issue Tracking
https://github.com/roundcube/roundcubemail/releases/tag/1.4.15 Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.5.5 Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.6.4 Release Notes
https://lists.debian.org/debian-lts-announce/2023/10/msg00035.html Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/LK67Q46OIEGJCRQUBHKLH3IIJTBNGGX4/ Mailing List
https://roundcube.net/news/2023/10/16/security-update-1.6.4-released Release Notes
https://roundcube.net/news/2023/10/16/security-updates-1.5.5-and-1.4.15 Release Notes
https://www.debian.org/security/2023/dsa-5531 Mailing List
http://www.openwall.com/lists/oss-security/2023/11/01/1 Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/11/01/3 Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/11/17/2 Mailing List, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054079 Mailing List, Patch
https://github.com/roundcube/roundcubemail/commit/41756cc3331b495cc0b71886984474dc529dd31d Patch
https://github.com/roundcube/roundcubemail/commit/6ee6e7ae301e165e2b2cb703edf75552e5376613 Patch
https://github.com/roundcube/roundcubemail/issues/9168 Exploit, Issue Tracking
https://github.com/roundcube/roundcubemail/releases/tag/1.4.15 Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.5.5 Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.6.4 Release Notes
https://lists.debian.org/debian-lts-announce/2023/10/msg00035.html Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/LK67Q46OIEGJCRQUBHKLH3IIJTBNGGX4/ Mailing List
https://roundcube.net/news/2023/10/16/security-update-1.6.4-released Release Notes
https://roundcube.net/news/2023/10/16/security-updates-1.5.5-and-1.4.15 Release Notes
https://www.debian.org/security/2023/dsa-5531 Mailing List
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-5631 US Government Resource