CVE-2023-5631

MEDIUM CISA KEV EPSS 99.4%
Published Oct 18, 20232y ago · Modified Jun 17, 20261w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Oct 18, 2023 2y ago
Last Modified Jun 17, 2026 1w ago
KEV Listed Oct 26, 2023 2y ago
KEV Due Nov 16, 2023 957d overdue

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.

CVSS Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

CISA Known Exploited Overdue 957d
Added
Oct 26, 2023
Due
Nov 16, 2023

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS Exploit Probability
99.4% percentile
Exploit & Patch Status
Actively Exploited (KEV)
Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 7

VendorProductVersionRange
roundcubewebmail* <1.4.15
roundcubewebmail*≥1.5.0  –  <1.5.5
roundcubewebmail*≥1.6.0  –  <1.6.4
debiandebian_linux10.0any
debiandebian_linux11.0any
debiandebian_linux12.0any
fedoraprojectfedora39any

References 16

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

Remediation

  • bugs.debian.org https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054079
    Mailing ListPatch
  • github.com https://github.com/roundcube/roundcubemail/commit/41756cc3331b495cc0b71886984474dc529dd31d
    Patch
  • github.com https://github.com/roundcube/roundcubemail/commit/6ee6e7ae301e165e2b2cb703edf75552e5376613
    Patch