QID 154129

Date Published: 2023-01-13

QID 154129: WordPress wp-cron Denial of Service (DoS) Vulnerability (CVE-2023-22622)

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database.

WP-Cron is how WordPress handles scheduling time-based tasks in WordPress.
The affected versions of WordPress are vulnerable to Denial of Service (DoS) via the wp-cron.php functionality due to improper restriction of the amount for request handling. An attacker can send a large number of requests to the website to perform a Denial of Service (DoS) attack.

Affected Versions:
WordPress versions 6.1.1 and prior

QID Detection Logic:
This QID sends an HTTP GET request and checks for vulnerable version of WordPress running on the target application.

Successful exploitation of the vulnerability can allow an attacker to trigger a DoS.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as High - 7.8 severity.
    • Solution
    Add the variable DISABLE_WP_CRON to true in the file wp-config.php.

    Please refer to medium blog for more information of the vulnerability.

    Vendor References

    CVEs related to QID 154129

    CVE-2023-22622 |
    Software Advisories
    Advisory ID Software Component Link
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