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    CVE-2023-5631

    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.

    Published:Oct 18, 2023
    Last Modified:Oct 30, 2025
    EPS:Oct 18, 2023
    EPSS Score:0.90178
    CVSS Score:6.1

    CISA Notification

    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.

    Required Action:

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

    Notes:

    No extra notes provided.

    Due Date
    Nov 16, 2023
    1030 days ago
    Alert Date
    Oct 26, 2023
    1051 days ago

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Roundcube
    Product
    Webmail

    Exploits

    https://github.com/roundcube/roundcubemail/issues/9168https://github.com/roundcube/roundcubemail/issues/9168

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    References

    http://www.openwall.com/lists/oss-security/2023/11/01/1
    http://www.openwall.com/lists/oss-security/2023/11/01/3
    http://www.openwall.com/lists/oss-security/2023/11/17/2
    https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054079
    https://github.com/roundcube/roundcubemail/commit/41756cc3331b495cc0b71886984474dc529dd31d
    https://github.com/roundcube/roundcubemail/commit/6ee6e7ae301e165e2b2cb703edf75552e5376613
    https://github.com/roundcube/roundcubemail/issues/9168
    https://github.com/roundcube/roundcubemail/releases/tag/1.4.15
    https://github.com/roundcube/roundcubemail/releases/tag/1.5.5
    https://github.com/roundcube/roundcubemail/releases/tag/1.6.4
    https://lists.debian.org/debian-lts-announce/2023/10/msg00035.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/LK67Q46OIEGJCRQUBHKLH3IIJTBNGGX4/
    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://www.debian.org/security/2023/dsa-5531
    http://www.openwall.com/lists/oss-security/2023/11/01/1
    http://www.openwall.com/lists/oss-security/2023/11/01/3
    http://www.openwall.com/lists/oss-security/2023/11/17/2
    https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054079
    https://github.com/roundcube/roundcubemail/commit/41756cc3331b495cc0b71886984474dc529dd31d
    https://github.com/roundcube/roundcubemail/commit/6ee6e7ae301e165e2b2cb703edf75552e5376613
    https://github.com/roundcube/roundcubemail/issues/9168
    https://github.com/roundcube/roundcubemail/releases/tag/1.4.15
    https://github.com/roundcube/roundcubemail/releases/tag/1.5.5
    https://github.com/roundcube/roundcubemail/releases/tag/1.6.4
    https://lists.debian.org/debian-lts-announce/2023/10/msg00035.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/LK67Q46OIEGJCRQUBHKLH3IIJTBNGGX4/
    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://www.debian.org/security/2023/dsa-5531
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-5631

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High