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    CVE-2019-9787

    WordPress before 5.1.1 does not properly filter comment content, leading to Remote Code Execution by unauthenticated users in a default configuration. This occurs because CSRF protection is mishandled, and because Search Engine Optimization of A elements is performed incorrectly, leading to XSS. The XSS results in administrative access, which allows arbitrary changes to .php files. This is related to wp-admin/includes/ajax-actions.php and wp-includes/comment.php.

    Published:Mar 14, 2019
    Last Modified:Nov 21, 2024
    EPS:Mar 14, 2019
    EPSS Score:0.85692
    CVSS Score:8.8

    Affected Products

    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    https://blog.ripstech.com/2019/wordpress-csrf-to-rce/https://blog.ripstech.com/2019/wordpress-csrf-to-rce/https://github.com/dexXxed/CVE-2019-9787https://github.com/kuangting4231/mitigation-cve-2019-9787https://github.com/matinciel/Wordpress_CVE-2019-9787https://github.com/PalmTreeForest/CodePath_Week_7-8https://github.com/rkatogit/cve-2019-9787_csrf_pochttps://github.com/sijiahi/Wordpress_cve-2019-9787_defense

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    References

    http://www.securityfocus.com/bid/107411
    https://blog.ripstech.com/2019/wordpress-csrf-to-rce/
    https://github.com/WordPress/WordPress/commit/0292de60ec78c5a44956765189403654fe4d080b
    https://lists.debian.org/debian-lts-announce/2019/03/msg00044.html
    https://wordpress.org/news/2019/03/wordpress-5-1-1-security-and-maintenance-release/
    https://wordpress.org/support/wordpress-version/version-5-1-1/
    https://wpvulndb.com/vulnerabilities/9230
    https://www.debian.org/security/2020/dsa-4677
    http://www.securityfocus.com/bid/107411
    https://blog.ripstech.com/2019/wordpress-csrf-to-rce/
    https://github.com/WordPress/WordPress/commit/0292de60ec78c5a44956765189403654fe4d080b
    https://lists.debian.org/debian-lts-announce/2019/03/msg00044.html
    https://wordpress.org/news/2019/03/wordpress-5-1-1-security-and-maintenance-release/
    https://wordpress.org/support/wordpress-version/version-5-1-1/
    https://wpvulndb.com/vulnerabilities/9230
    https://www.debian.org/security/2020/dsa-4677

    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