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    CVE-2016-2222

    The wp_http_validate_url function in wp-includes/http.php in WordPress before 4.4.2 allows remote attackers to conduct server-side request forgery (SSRF) attacks via a zero value in the first octet of an IPv4 address in the u parameter to wp-admin/press-this.php.

    Published:May 22, 2016
    Last Modified:Apr 12, 2025
    EPS:May 22, 2016
    EPSS Score:0.04132
    CVSS Score:8.6

    Affected Products

    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    https://hackerone.com/reports/110801https://hackerone.com/reports/110801

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://www.debian.org/security/2016/dsa-3472
    http://www.securityfocus.com/bid/82454
    http://www.securitytracker.com/id/1034933
    https://codex.wordpress.org/Version_4.4.2
    https://core.trac.wordpress.org/changeset/36435
    https://hackerone.com/reports/110801
    https://news.ycombinator.com/item?id=20433070
    https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
    https://wpvulndb.com/vulnerabilities/8376
    http://www.debian.org/security/2016/dsa-3472
    http://www.securityfocus.com/bid/82454
    http://www.securitytracker.com/id/1034933
    https://codex.wordpress.org/Version_4.4.2
    https://core.trac.wordpress.org/changeset/36435
    https://hackerone.com/reports/110801
    https://news.ycombinator.com/item?id=20433070
    https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
    https://wpvulndb.com/vulnerabilities/8376

    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