CVE-2019-16220

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    CVE-2019-16220

    Published: 11 Sept 2019Last Modified: 8 Jul 2026

    Summary:

    Details: In WordPress before 5.2.3, validation and sanitization of a URL in wp_validate_redirect in wp-includes/pluggable.php could lead to an open redirect if a provided URL path does not start with a forward slash.

    References: https://medium.com/@theodorejackson.us/rediscovering-an-old-vulnerability-cve-2019-16220-d25cc441752f, https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html, https://seclists.org/bugtraq/2020/Jan/8, https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/, https://wpvulndb.com/vulnerabilities/9863, https://www.debian.org/security/2020/dsa-4599, https://www.debian.org/security/2020/dsa-4677, https://core.trac.wordpress.org/changeset/45971, https://github.com/WordPress/WordPress/commit/c86ee39ff4c1a79b93c967eb88522f5c09614a28

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -95929621e87a8f6e3fa22f7168ecdf4b5ae9417e

    Affected versions

    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
    CVE-2019-16220 | CVE-DB