CVE-2015-3440

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    CVE-2015-3440

    Published: 3 Aug 2015Last Modified: 16 Apr 2026

    Summary:

    Details: Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.1 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type.

    References: http://www.debian.org/security/2015/dsa-3250, https://wordpress.org/news/2015/04/wordpress-4-2-1/, http://packetstormsecurity.com/files/131644/WordPress-4.2-Cross-Site-Scripting.html, http://seclists.org/fulldisclosure/2015/Apr/84, https://klikki.fi/adv/wordpress2.html, https://www.exploit-db.com/exploits/36844/, https://wordpress.org/news/2015/04/wordpress-4-2-1/, http://codex.wordpress.org/Version_4.2.1, http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158271.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html, http://osvdb.org/show/osvdb/121320, http://www.securityfocus.com/bid/74334, http://www.securitytracker.com/id/1032199, https://core.trac.wordpress.org/changeset/32299, https://wpvulndb.com/vulnerabilities/7945

    Affected packages

    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