Intelligence online17 sources monitored8 actively exploited 7d26 published 24hChecked recently
Vulnerability record

CVE-2023-5631

Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability

ElevatedExploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Webmail, fix it now.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by Nov 16, 2023.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

ProductVendorAffected versionsFixed inSource
WebmailRoundcube< 1.4.15; >= 1.5.0, < 1.5.5; >= 1.6.0, < 1.6.41.4.15; 1.5.5; 1.6.4KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2023-5631 scored CVSS 5.4: Roundcube Webmail, Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability

    CISA lists this as exploited in the wild. Unpatched Webmail systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2023-5631: Roundcube Webmail, Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability

    An official fix is now available for Roundcube Webmail. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • roundcube.net https://roundcube.net/news/2023/10/16/security-update-1.6.4-released
  • roundcube.net https://roundcube.net/news/2023/10/16/security-updates-1.5.5-and-1.4.15
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2023-5631
  • openwall.com http://www.openwall.com/lists/oss-security/2023/11/01/1
  • openwall.com http://www.openwall.com/lists/oss-security/2023/11/01/3
  • openwall.com http://www.openwall.com/lists/oss-security/2023/11/17/2
  • bugs.debian.org https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054079
  • github.com https://github.com/roundcube/roundcubemail/commit/41756cc3331b495cc0b71886984474dc529dd31d
  • github.com https://github.com/roundcube/roundcubemail/commit/6ee6e7ae301e165e2b2cb703edf75552e5376613
  • github.com https://github.com/roundcube/roundcubemail/issues/9168
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.4.15
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.5.5
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.6.4
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2023/10/msg00035.html
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LK67Q46OIEGJCRQ…
  • debian.org https://www.debian.org/security/2023/dsa-5531
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-5631